feat: update to latest API

README.md

@@ -83,7 +83,7 @@ with **Maven**
 ## Distributing
 
 ```
-./gradlew jar 
+./gradlew jar
 ./gradlew shadowJar
 ./gradlew javadoc
 ./gradlew installDist

api

@@ -1 +1 @@
-Subproject commit 0845a71abad8aee67f858f491c715e4a24106865
+Subproject commit b74f3fe89c63fe5ed75b0111f3fb71ec0cf86a2d

build.gradle

@@ -14,7 +14,7 @@ plugins {
 }
 
 group 'org.bdware'
-version 'dev-200922.1278255c'
+version 'dev-221113'
 
 sourceCompatibility = JavaVersion.VERSION_1_8
 

src/main/java/com/google/api/AnnotationsProto.java

@@ -0,0 +1,63 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/annotations.proto
+
+package com.google.api;
+
+public final class AnnotationsProto {
+  private AnnotationsProto() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+    registry.add(com.google.api.AnnotationsProto.http);
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  public static final int HTTP_FIELD_NUMBER = 72295728;
+  /**
+   * <pre>
+   * See `HttpRule`.
+   * </pre>
+   *
+   * <code>extend .google.protobuf.MethodOptions { ... }</code>
+   */
+  public static final
+    com.google.protobuf.GeneratedMessage.GeneratedExtension<
+      com.google.protobuf.DescriptorProtos.MethodOptions,
+      com.google.api.HttpRule> http = com.google.protobuf.GeneratedMessage
+          .newFileScopedGeneratedExtension(
+        com.google.api.HttpRule.class,
+        com.google.api.HttpRule.getDefaultInstance());
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\034google/api/annotations.proto\022\ngoogle.a" +
+      "pi\032\025google/api/http.proto\032 google/protob" +
+      "uf/descriptor.proto:E\n\004http\022\036.google.pro" +
+      "tobuf.MethodOptions\030\260\312\274\" \001(\0132\024.google.ap" +
+      "i.HttpRuleBn\n\016com.google.apiB\020Annotation" +
+      "sProtoP\001ZAgoogle.golang.org/genproto/goo" +
+      "gleapis/api/annotations;annotations\242\002\004GA" +
+      "PIb\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+          com.google.api.HttpProto.getDescriptor(),
+          com.google.protobuf.DescriptorProtos.getDescriptor(),
+        });
+    http.internalInit(descriptor.getExtensions().get(0));
+    com.google.api.HttpProto.getDescriptor();
+    com.google.protobuf.DescriptorProtos.getDescriptor();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

src/main/java/com/google/api/CustomHttpPattern.java

@@ -0,0 +1,759 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/http.proto
+
+package com.google.api;
+
+/**
+ * <pre>
+ * A custom pattern is used for defining custom HTTP verb.
+ * </pre>
+ *
+ * Protobuf type {@code google.api.CustomHttpPattern}
+ */
+public final class CustomHttpPattern extends
+    com.google.protobuf.GeneratedMessageV3 implements
+    // @@protoc_insertion_point(message_implements:google.api.CustomHttpPattern)
+    CustomHttpPatternOrBuilder {
+private static final long serialVersionUID = 0L;
+  // Use CustomHttpPattern.newBuilder() to construct.
+  private CustomHttpPattern(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+  private CustomHttpPattern() {
+    kind_ = "";
+    path_ = "";
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+
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+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
+    return new CustomHttpPattern();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet
+  getUnknownFields() {
+    return this.unknownFields;
+  }
+  private CustomHttpPattern(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
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+
+            path_ = s;
+            break;
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+            break;
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+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(
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+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.api.HttpProto.internal_static_google_api_CustomHttpPattern_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
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+        .ensureFieldAccessorsInitialized(
+            com.google.api.CustomHttpPattern.class, com.google.api.CustomHttpPattern.Builder.class);
+  }
+
+  public static final int KIND_FIELD_NUMBER = 1;
+  private volatile java.lang.Object kind_;
+  /**
+   * <pre>
+   * The name of this custom HTTP verb.
+   * </pre>
+   *
+   * <code>string kind = 1;</code>
+   * @return The kind.
+   */
+  @java.lang.Override
+  public java.lang.String getKind() {
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+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = 
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+      java.lang.String s = bs.toStringUtf8();
+      kind_ = s;
+      return s;
+    }
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+  /**
+   * <pre>
+   * The name of this custom HTTP verb.
+   * </pre>
+   *
+   * <code>string kind = 1;</code>
+   * @return The bytes for kind.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString
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+    java.lang.Object ref = kind_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
+      kind_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int PATH_FIELD_NUMBER = 2;
+  private volatile java.lang.Object path_;
+  /**
+   * <pre>
+   * The path matched by this custom verb.
+   * </pre>
+   *
+   * <code>string path = 2;</code>
+   * @return The path.
+   */
+  @java.lang.Override
+  public java.lang.String getPath() {
+    java.lang.Object ref = path_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      path_ = s;
+      return s;
+    }
+  }
+  /**
+   * <pre>
+   * The path matched by this custom verb.
+   * </pre>
+   *
+   * <code>string path = 2;</code>
+   * @return The bytes for path.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString
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+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b = 
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+      path_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
+    if (!getKindBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, kind_);
+    }
+    if (!getPathBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, path_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getKindBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, kind_);
+    }
+    if (!getPathBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, path_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+     return true;
+    }
+    if (!(obj instanceof com.google.api.CustomHttpPattern)) {
+      return super.equals(obj);
+    }
+    com.google.api.CustomHttpPattern other = (com.google.api.CustomHttpPattern) obj;
+
+    if (!getKind()
+        .equals(other.getKind())) return false;
+    if (!getPath()
+        .equals(other.getPath())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + KIND_FIELD_NUMBER;
+    hash = (53 * hash) + getKind().hashCode();
+    hash = (37 * hash) + PATH_FIELD_NUMBER;
+    hash = (53 * hash) + getPath().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.api.CustomHttpPattern parseFrom(
+      java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.api.CustomHttpPattern parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
+  }
+  public static com.google.api.CustomHttpPattern parseDelimitedFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.api.CustomHttpPattern parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() { return newBuilder(); }
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+  public static Builder newBuilder(com.google.api.CustomHttpPattern prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   * <pre>
+   * A custom pattern is used for defining custom HTTP verb.
+   * </pre>
+   *
+   * Protobuf type {@code google.api.CustomHttpPattern}
+   */
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+      // @@protoc_insertion_point(builder_implements:google.api.CustomHttpPattern)
+      com.google.api.CustomHttpPatternOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.api.HttpProto.internal_static_google_api_CustomHttpPattern_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
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+    }
+
+    // Construct using com.google.api.CustomHttpPattern.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+    private void maybeForceBuilderInitialization() {
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+              .alwaysUseFieldBuilders) {
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+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      kind_ = "";
+
+      path_ = "";
+
+      return this;
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+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.api.HttpProto.internal_static_google_api_CustomHttpPattern_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.api.CustomHttpPattern getDefaultInstanceForType() {
+      return com.google.api.CustomHttpPattern.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.api.CustomHttpPattern build() {
+      com.google.api.CustomHttpPattern result = buildPartial();
+      if (!result.isInitialized()) {
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+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.api.CustomHttpPattern buildPartial() {
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+      result.kind_ = kind_;
+      result.path_ = path_;
+      onBuilt();
+      return result;
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+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
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+    @java.lang.Override
+    public Builder setField(
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+        java.lang.Object value) {
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+    @java.lang.Override
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
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+    @java.lang.Override
+    public Builder clearOneof(
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+        java.lang.Object value) {
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+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.api.CustomHttpPattern) {
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+        return this;
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+    public Builder mergeFrom(com.google.api.CustomHttpPattern other) {
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+      if (!other.getPath().isEmpty()) {
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+        onChanged();
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+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
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+    @java.lang.Override
+    public final boolean isInitialized() {
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+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
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+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.api.CustomHttpPattern) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object kind_ = "";
+    /**
+     * <pre>
+     * The name of this custom HTTP verb.
+     * </pre>
+     *
+     * <code>string kind = 1;</code>
+     * @return The kind.
+     */
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+        java.lang.String s = bs.toStringUtf8();
+        kind_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     * <pre>
+     * The name of this custom HTTP verb.
+     * </pre>
+     *
+     * <code>string kind = 1;</code>
+     * @return The bytes for kind.
+     */
+    public com.google.protobuf.ByteString
+        getKindBytes() {
+      java.lang.Object ref = kind_;
+      if (ref instanceof String) {
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+        kind_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     * <pre>
+     * The name of this custom HTTP verb.
+     * </pre>
+     *
+     * <code>string kind = 1;</code>
+     * @param value The kind to set.
+     * @return This builder for chaining.
+     */
+    public Builder setKind(
+        java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  
+      kind_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The name of this custom HTTP verb.
+     * </pre>
+     *
+     * <code>string kind = 1;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearKind() {
+      
+      kind_ = getDefaultInstance().getKind();
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The name of this custom HTTP verb.
+     * </pre>
+     *
+     * <code>string kind = 1;</code>
+     * @param value The bytes for kind to set.
+     * @return This builder for chaining.
+     */
+    public Builder setKindBytes(
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+  checkByteStringIsUtf8(value);
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+      kind_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object path_ = "";
+    /**
+     * <pre>
+     * The path matched by this custom verb.
+     * </pre>
+     *
+     * <code>string path = 2;</code>
+     * @return The path.
+     */
+    public java.lang.String getPath() {
+      java.lang.Object ref = path_;
+      if (!(ref instanceof java.lang.String)) {
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+        java.lang.String s = bs.toStringUtf8();
+        path_ = s;
+        return s;
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+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     * <pre>
+     * The path matched by this custom verb.
+     * </pre>
+     *
+     * <code>string path = 2;</code>
+     * @return The bytes for path.
+     */
+    public com.google.protobuf.ByteString
+        getPathBytes() {
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+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b = 
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+        path_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     * <pre>
+     * The path matched by this custom verb.
+     * </pre>
+     *
+     * <code>string path = 2;</code>
+     * @param value The path to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPath(
+        java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  
+      path_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The path matched by this custom verb.
+     * </pre>
+     *
+     * <code>string path = 2;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearPath() {
+      
+      path_ = getDefaultInstance().getPath();
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The path matched by this custom verb.
+     * </pre>
+     *
+     * <code>string path = 2;</code>
+     * @param value The bytes for path to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPathBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+      
+      path_ = value;
+      onChanged();
+      return this;
+    }
+    @java.lang.Override
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+
+    // @@protoc_insertion_point(builder_scope:google.api.CustomHttpPattern)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.api.CustomHttpPattern)
+  private static final com.google.api.CustomHttpPattern DEFAULT_INSTANCE;
+  static {
+    DEFAULT_INSTANCE = new com.google.api.CustomHttpPattern();
+  }
+
+  public static com.google.api.CustomHttpPattern getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<CustomHttpPattern>
+      PARSER = new com.google.protobuf.AbstractParser<CustomHttpPattern>() {
+    @java.lang.Override
+    public CustomHttpPattern parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return new CustomHttpPattern(input, extensionRegistry);
+    }
+  };
+
+  public static com.google.protobuf.Parser<CustomHttpPattern> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<CustomHttpPattern> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.api.CustomHttpPattern getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+
+}
+

src/main/java/com/google/api/CustomHttpPatternOrBuilder.java

@@ -0,0 +1,49 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/http.proto
+
+package com.google.api;
+
+public interface CustomHttpPatternOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.api.CustomHttpPattern)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * The name of this custom HTTP verb.
+   * </pre>
+   *
+   * <code>string kind = 1;</code>
+   * @return The kind.
+   */
+  java.lang.String getKind();
+  /**
+   * <pre>
+   * The name of this custom HTTP verb.
+   * </pre>
+   *
+   * <code>string kind = 1;</code>
+   * @return The bytes for kind.
+   */
+  com.google.protobuf.ByteString
+      getKindBytes();
+
+  /**
+   * <pre>
+   * The path matched by this custom verb.
+   * </pre>
+   *
+   * <code>string path = 2;</code>
+   * @return The path.
+   */
+  java.lang.String getPath();
+  /**
+   * <pre>
+   * The path matched by this custom verb.
+   * </pre>
+   *
+   * <code>string path = 2;</code>
+   * @return The bytes for path.
+   */
+  com.google.protobuf.ByteString
+      getPathBytes();
+}

src/main/java/com/google/api/Http.java

@@ -0,0 +1,994 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/http.proto
+
+package com.google.api;
+
+/**
+ * <pre>
+ * Defines the HTTP configuration for an API service. It contains a list of
+ * [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method
+ * to one or more HTTP REST API methods.
+ * </pre>
+ *
+ * Protobuf type {@code google.api.Http}
+ */
+public final class Http extends
+    com.google.protobuf.GeneratedMessageV3 implements
+    // @@protoc_insertion_point(message_implements:google.api.Http)
+    HttpOrBuilder {
+private static final long serialVersionUID = 0L;
+  // Use Http.newBuilder() to construct.
+  private Http(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+  private Http() {
+    rules_ = java.util.Collections.emptyList();
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
+    return new Http();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet
+  getUnknownFields() {
+    return this.unknownFields;
+  }
+  private Http(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    int mutable_bitField0_ = 0;
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10: {
+            if (!((mutable_bitField0_ & 0x00000001) != 0)) {
+              rules_ = new java.util.ArrayList<com.google.api.HttpRule>();
+              mutable_bitField0_ |= 0x00000001;
+            }
+            rules_.add(
+                input.readMessage(com.google.api.HttpRule.parser(), extensionRegistry));
+            break;
+          }
+          case 16: {
+
+            fullyDecodeReservedExpansion_ = input.readBool();
+            break;
+          }
+          default: {
+            if (!parseUnknownField(
+                input, unknownFields, extensionRegistry, tag)) {
+              done = true;
+            }
+            break;
+          }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(
+          e).setUnfinishedMessage(this);
+    } finally {
+      if (((mutable_bitField0_ & 0x00000001) != 0)) {
+        rules_ = java.util.Collections.unmodifiableList(rules_);
+      }
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.api.HttpProto.internal_static_google_api_Http_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.api.HttpProto.internal_static_google_api_Http_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.api.Http.class, com.google.api.Http.Builder.class);
+  }
+
+  public static final int RULES_FIELD_NUMBER = 1;
+  private java.util.List<com.google.api.HttpRule> rules_;
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.api.HttpRule> getRulesList() {
+    return rules_;
+  }
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.api.HttpRuleOrBuilder> 
+      getRulesOrBuilderList() {
+    return rules_;
+  }
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  @java.lang.Override
+  public int getRulesCount() {
+    return rules_.size();
+  }
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.api.HttpRule getRules(int index) {
+    return rules_.get(index);
+  }
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.api.HttpRuleOrBuilder getRulesOrBuilder(
+      int index) {
+    return rules_.get(index);
+  }
+
+  public static final int FULLY_DECODE_RESERVED_EXPANSION_FIELD_NUMBER = 2;
+  private boolean fullyDecodeReservedExpansion_;
+  /**
+   * <pre>
+   * When set to true, URL path parmeters will be fully URI-decoded except in
+   * cases of single segment matches in reserved expansion, where "%2F" will be
+   * left encoded.
+   * The default behavior is to not decode RFC 6570 reserved characters in multi
+   * segment matches.
+   * </pre>
+   *
+   * <code>bool fully_decode_reserved_expansion = 2;</code>
+   * @return The fullyDecodeReservedExpansion.
+   */
+  @java.lang.Override
+  public boolean getFullyDecodeReservedExpansion() {
+    return fullyDecodeReservedExpansion_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
+    for (int i = 0; i < rules_.size(); i++) {
+      output.writeMessage(1, rules_.get(i));
+    }
+    if (fullyDecodeReservedExpansion_ != false) {
+      output.writeBool(2, fullyDecodeReservedExpansion_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < rules_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, rules_.get(i));
+    }
+    if (fullyDecodeReservedExpansion_ != false) {
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(2, fullyDecodeReservedExpansion_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+     return true;
+    }
+    if (!(obj instanceof com.google.api.Http)) {
+      return super.equals(obj);
+    }
+    com.google.api.Http other = (com.google.api.Http) obj;
+
+    if (!getRulesList()
+        .equals(other.getRulesList())) return false;
+    if (getFullyDecodeReservedExpansion()
+        != other.getFullyDecodeReservedExpansion()) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getRulesCount() > 0) {
+      hash = (37 * hash) + RULES_FIELD_NUMBER;
+      hash = (53 * hash) + getRulesList().hashCode();
+    }
+    hash = (37 * hash) + FULLY_DECODE_RESERVED_EXPANSION_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getFullyDecodeReservedExpansion());
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.api.Http parseFrom(
+      java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.api.Http parseFrom(
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.api.Http parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.api.Http parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.api.Http parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.api.Http parseFrom(
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.api.Http parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.api.Http parseFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.api.Http parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
+  }
+  public static com.google.api.Http parseDelimitedFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.api.Http parseFrom(
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.api.Http parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() { return newBuilder(); }
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+  public static Builder newBuilder(com.google.api.Http prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   * <pre>
+   * Defines the HTTP configuration for an API service. It contains a list of
+   * [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method
+   * to one or more HTTP REST API methods.
+   * </pre>
+   *
+   * Protobuf type {@code google.api.Http}
+   */
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+      // @@protoc_insertion_point(builder_implements:google.api.Http)
+      com.google.api.HttpOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.api.HttpProto.internal_static_google_api_Http_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.api.HttpProto.internal_static_google_api_Http_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.api.Http.class, com.google.api.Http.Builder.class);
+    }
+
+    // Construct using com.google.api.Http.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3
+              .alwaysUseFieldBuilders) {
+        getRulesFieldBuilder();
+      }
+    }
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      if (rulesBuilder_ == null) {
+        rules_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+      } else {
+        rulesBuilder_.clear();
+      }
+      fullyDecodeReservedExpansion_ = false;
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.api.HttpProto.internal_static_google_api_Http_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.api.Http getDefaultInstanceForType() {
+      return com.google.api.Http.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.api.Http build() {
+      com.google.api.Http result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.api.Http buildPartial() {
+      com.google.api.Http result = new com.google.api.Http(this);
+      int from_bitField0_ = bitField0_;
+      if (rulesBuilder_ == null) {
+        if (((bitField0_ & 0x00000001) != 0)) {
+          rules_ = java.util.Collections.unmodifiableList(rules_);
+          bitField0_ = (bitField0_ & ~0x00000001);
+        }
+        result.rules_ = rules_;
+      } else {
+        result.rules_ = rulesBuilder_.build();
+      }
+      result.fullyDecodeReservedExpansion_ = fullyDecodeReservedExpansion_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.setField(field, value);
+    }
+    @java.lang.Override
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+    @java.lang.Override
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.api.Http) {
+        return mergeFrom((com.google.api.Http)other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.api.Http other) {
+      if (other == com.google.api.Http.getDefaultInstance()) return this;
+      if (rulesBuilder_ == null) {
+        if (!other.rules_.isEmpty()) {
+          if (rules_.isEmpty()) {
+            rules_ = other.rules_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureRulesIsMutable();
+            rules_.addAll(other.rules_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.rules_.isEmpty()) {
+          if (rulesBuilder_.isEmpty()) {
+            rulesBuilder_.dispose();
+            rulesBuilder_ = null;
+            rules_ = other.rules_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            rulesBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getRulesFieldBuilder() : null;
+          } else {
+            rulesBuilder_.addAllMessages(other.rules_);
+          }
+        }
+      }
+      if (other.getFullyDecodeReservedExpansion() != false) {
+        setFullyDecodeReservedExpansion(other.getFullyDecodeReservedExpansion());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.api.Http parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.api.Http) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+    private int bitField0_;
+
+    private java.util.List<com.google.api.HttpRule> rules_ =
+      java.util.Collections.emptyList();
+    private void ensureRulesIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        rules_ = new java.util.ArrayList<com.google.api.HttpRule>(rules_);
+        bitField0_ |= 0x00000001;
+       }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+        com.google.api.HttpRule, com.google.api.HttpRule.Builder, com.google.api.HttpRuleOrBuilder> rulesBuilder_;
+
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public java.util.List<com.google.api.HttpRule> getRulesList() {
+      if (rulesBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(rules_);
+      } else {
+        return rulesBuilder_.getMessageList();
+      }
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public int getRulesCount() {
+      if (rulesBuilder_ == null) {
+        return rules_.size();
+      } else {
+        return rulesBuilder_.getCount();
+      }
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public com.google.api.HttpRule getRules(int index) {
+      if (rulesBuilder_ == null) {
+        return rules_.get(index);
+      } else {
+        return rulesBuilder_.getMessage(index);
+      }
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder setRules(
+        int index, com.google.api.HttpRule value) {
+      if (rulesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureRulesIsMutable();
+        rules_.set(index, value);
+        onChanged();
+      } else {
+        rulesBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder setRules(
+        int index, com.google.api.HttpRule.Builder builderForValue) {
+      if (rulesBuilder_ == null) {
+        ensureRulesIsMutable();
+        rules_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        rulesBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder addRules(com.google.api.HttpRule value) {
+      if (rulesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureRulesIsMutable();
+        rules_.add(value);
+        onChanged();
+      } else {
+        rulesBuilder_.addMessage(value);
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder addRules(
+        int index, com.google.api.HttpRule value) {
+      if (rulesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureRulesIsMutable();
+        rules_.add(index, value);
+        onChanged();
+      } else {
+        rulesBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder addRules(
+        com.google.api.HttpRule.Builder builderForValue) {
+      if (rulesBuilder_ == null) {
+        ensureRulesIsMutable();
+        rules_.add(builderForValue.build());
+        onChanged();
+      } else {
+        rulesBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder addRules(
+        int index, com.google.api.HttpRule.Builder builderForValue) {
+      if (rulesBuilder_ == null) {
+        ensureRulesIsMutable();
+        rules_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        rulesBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder addAllRules(
+        java.lang.Iterable<? extends com.google.api.HttpRule> values) {
+      if (rulesBuilder_ == null) {
+        ensureRulesIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, rules_);
+        onChanged();
+      } else {
+        rulesBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder clearRules() {
+      if (rulesBuilder_ == null) {
+        rules_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        rulesBuilder_.clear();
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public Builder removeRules(int index) {
+      if (rulesBuilder_ == null) {
+        ensureRulesIsMutable();
+        rules_.remove(index);
+        onChanged();
+      } else {
+        rulesBuilder_.remove(index);
+      }
+      return this;
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public com.google.api.HttpRule.Builder getRulesBuilder(
+        int index) {
+      return getRulesFieldBuilder().getBuilder(index);
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public com.google.api.HttpRuleOrBuilder getRulesOrBuilder(
+        int index) {
+      if (rulesBuilder_ == null) {
+        return rules_.get(index);  } else {
+        return rulesBuilder_.getMessageOrBuilder(index);
+      }
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public java.util.List<? extends com.google.api.HttpRuleOrBuilder> 
+         getRulesOrBuilderList() {
+      if (rulesBuilder_ != null) {
+        return rulesBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(rules_);
+      }
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public com.google.api.HttpRule.Builder addRulesBuilder() {
+      return getRulesFieldBuilder().addBuilder(
+          com.google.api.HttpRule.getDefaultInstance());
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public com.google.api.HttpRule.Builder addRulesBuilder(
+        int index) {
+      return getRulesFieldBuilder().addBuilder(
+          index, com.google.api.HttpRule.getDefaultInstance());
+    }
+    /**
+     * <pre>
+     * A list of HTTP configuration rules that apply to individual API methods.
+     * **NOTE:** All service configuration rules follow "last one wins" order.
+     * </pre>
+     *
+     * <code>repeated .google.api.HttpRule rules = 1;</code>
+     */
+    public java.util.List<com.google.api.HttpRule.Builder> 
+         getRulesBuilderList() {
+      return getRulesFieldBuilder().getBuilderList();
+    }
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+        com.google.api.HttpRule, com.google.api.HttpRule.Builder, com.google.api.HttpRuleOrBuilder> 
+        getRulesFieldBuilder() {
+      if (rulesBuilder_ == null) {
+        rulesBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.api.HttpRule, com.google.api.HttpRule.Builder, com.google.api.HttpRuleOrBuilder>(
+                rules_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
+        rules_ = null;
+      }
+      return rulesBuilder_;
+    }
+
+    private boolean fullyDecodeReservedExpansion_ ;
+    /**
+     * <pre>
+     * When set to true, URL path parmeters will be fully URI-decoded except in
+     * cases of single segment matches in reserved expansion, where "%2F" will be
+     * left encoded.
+     * The default behavior is to not decode RFC 6570 reserved characters in multi
+     * segment matches.
+     * </pre>
+     *
+     * <code>bool fully_decode_reserved_expansion = 2;</code>
+     * @return The fullyDecodeReservedExpansion.
+     */
+    @java.lang.Override
+    public boolean getFullyDecodeReservedExpansion() {
+      return fullyDecodeReservedExpansion_;
+    }
+    /**
+     * <pre>
+     * When set to true, URL path parmeters will be fully URI-decoded except in
+     * cases of single segment matches in reserved expansion, where "%2F" will be
+     * left encoded.
+     * The default behavior is to not decode RFC 6570 reserved characters in multi
+     * segment matches.
+     * </pre>
+     *
+     * <code>bool fully_decode_reserved_expansion = 2;</code>
+     * @param value The fullyDecodeReservedExpansion to set.
+     * @return This builder for chaining.
+     */
+    public Builder setFullyDecodeReservedExpansion(boolean value) {
+      
+      fullyDecodeReservedExpansion_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * When set to true, URL path parmeters will be fully URI-decoded except in
+     * cases of single segment matches in reserved expansion, where "%2F" will be
+     * left encoded.
+     * The default behavior is to not decode RFC 6570 reserved characters in multi
+     * segment matches.
+     * </pre>
+     *
+     * <code>bool fully_decode_reserved_expansion = 2;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearFullyDecodeReservedExpansion() {
+      
+      fullyDecodeReservedExpansion_ = false;
+      onChanged();
+      return this;
+    }
+    @java.lang.Override
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+
+    // @@protoc_insertion_point(builder_scope:google.api.Http)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.api.Http)
+  private static final com.google.api.Http DEFAULT_INSTANCE;
+  static {
+    DEFAULT_INSTANCE = new com.google.api.Http();
+  }
+
+  public static com.google.api.Http getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<Http>
+      PARSER = new com.google.protobuf.AbstractParser<Http>() {
+    @java.lang.Override
+    public Http parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return new Http(input, extensionRegistry);
+    }
+  };
+
+  public static com.google.protobuf.Parser<Http> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<Http> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.api.Http getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+
+}
+

src/main/java/com/google/api/HttpBodyOrBuilder.java

@@ -0,0 +1,88 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/httpbody.proto
+
+package com.google.api;
+
+public interface HttpBodyOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.api.HttpBody)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * The HTTP Content-Type header value specifying the content type of the body.
+   * </pre>
+   *
+   * <code>string content_type = 1;</code>
+   * @return The contentType.
+   */
+  java.lang.String getContentType();
+  /**
+   * <pre>
+   * The HTTP Content-Type header value specifying the content type of the body.
+   * </pre>
+   *
+   * <code>string content_type = 1;</code>
+   * @return The bytes for contentType.
+   */
+  com.google.protobuf.ByteString
+      getContentTypeBytes();
+
+  /**
+   * <pre>
+   * The HTTP request/response body as raw binary.
+   * </pre>
+   *
+   * <code>bytes data = 2;</code>
+   * @return The data.
+   */
+  com.google.protobuf.ByteString getData();
+
+  /**
+   * <pre>
+   * Application specific response metadata. Must be set in the first response
+   * for streaming APIs.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any extensions = 3;</code>
+   */
+  java.util.List<com.google.protobuf.Any> 
+      getExtensionsList();
+  /**
+   * <pre>
+   * Application specific response metadata. Must be set in the first response
+   * for streaming APIs.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any extensions = 3;</code>
+   */
+  com.google.protobuf.Any getExtensions(int index);
+  /**
+   * <pre>
+   * Application specific response metadata. Must be set in the first response
+   * for streaming APIs.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any extensions = 3;</code>
+   */
+  int getExtensionsCount();
+  /**
+   * <pre>
+   * Application specific response metadata. Must be set in the first response
+   * for streaming APIs.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any extensions = 3;</code>
+   */
+  java.util.List<? extends com.google.protobuf.AnyOrBuilder> 
+      getExtensionsOrBuilderList();
+  /**
+   * <pre>
+   * Application specific response metadata. Must be set in the first response
+   * for streaming APIs.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any extensions = 3;</code>
+   */
+  com.google.protobuf.AnyOrBuilder getExtensionsOrBuilder(
+      int index);
+}

src/main/java/com/google/api/HttpBodyProto.java

@@ -0,0 +1,54 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/httpbody.proto
+
+package com.google.api;
+
+public final class HttpBodyProto {
+  private HttpBodyProto() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_api_HttpBody_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_api_HttpBody_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\031google/api/httpbody.proto\022\ngoogle.api\032" +
+      "\031google/protobuf/any.proto\"X\n\010HttpBody\022\024" +
+      "\n\014content_type\030\001 \001(\t\022\014\n\004data\030\002 \001(\014\022(\n\nex" +
+      "tensions\030\003 \003(\0132\024.google.protobuf.AnyBh\n\016" +
+      "com.google.apiB\rHttpBodyProtoP\001Z;google." +
+      "golang.org/genproto/googleapis/api/httpb" +
+      "ody;httpbody\370\001\001\242\002\004GAPIb\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+          com.google.protobuf.AnyProto.getDescriptor(),
+        });
+    internal_static_google_api_HttpBody_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_google_api_HttpBody_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_api_HttpBody_descriptor,
+        new java.lang.String[] { "ContentType", "Data", "Extensions", });
+    com.google.protobuf.AnyProto.getDescriptor();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

src/main/java/com/google/api/HttpOrBuilder.java

@@ -0,0 +1,72 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/http.proto
+
+package com.google.api;
+
+public interface HttpOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.api.Http)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  java.util.List<com.google.api.HttpRule> 
+      getRulesList();
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  com.google.api.HttpRule getRules(int index);
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  int getRulesCount();
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  java.util.List<? extends com.google.api.HttpRuleOrBuilder> 
+      getRulesOrBuilderList();
+  /**
+   * <pre>
+   * A list of HTTP configuration rules that apply to individual API methods.
+   * **NOTE:** All service configuration rules follow "last one wins" order.
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule rules = 1;</code>
+   */
+  com.google.api.HttpRuleOrBuilder getRulesOrBuilder(
+      int index);
+
+  /**
+   * <pre>
+   * When set to true, URL path parmeters will be fully URI-decoded except in
+   * cases of single segment matches in reserved expansion, where "%2F" will be
+   * left encoded.
+   * The default behavior is to not decode RFC 6570 reserved characters in multi
+   * segment matches.
+   * </pre>
+   *
+   * <code>bool fully_decode_reserved_expansion = 2;</code>
+   * @return The fullyDecodeReservedExpansion.
+   */
+  boolean getFullyDecodeReservedExpansion();
+}

src/main/java/com/google/api/HttpProto.java

@@ -0,0 +1,81 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/http.proto
+
+package com.google.api;
+
+public final class HttpProto {
+  private HttpProto() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_api_Http_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_api_Http_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_api_HttpRule_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_api_HttpRule_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_api_CustomHttpPattern_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_api_CustomHttpPattern_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\025google/api/http.proto\022\ngoogle.api\"T\n\004H" +
+      "ttp\022#\n\005rules\030\001 \003(\0132\024.google.api.HttpRule" +
+      "\022\'\n\037fully_decode_reserved_expansion\030\002 \001(" +
+      "\010\"\201\002\n\010HttpRule\022\020\n\010selector\030\001 \001(\t\022\r\n\003get\030" +
+      "\002 \001(\tH\000\022\r\n\003put\030\003 \001(\tH\000\022\016\n\004post\030\004 \001(\tH\000\022\020" +
+      "\n\006delete\030\005 \001(\tH\000\022\017\n\005patch\030\006 \001(\tH\000\022/\n\006cus" +
+      "tom\030\010 \001(\0132\035.google.api.CustomHttpPattern" +
+      "H\000\022\014\n\004body\030\007 \001(\t\022\025\n\rresponse_body\030\014 \001(\t\022" +
+      "1\n\023additional_bindings\030\013 \003(\0132\024.google.ap" +
+      "i.HttpRuleB\t\n\007pattern\"/\n\021CustomHttpPatte" +
+      "rn\022\014\n\004kind\030\001 \001(\t\022\014\n\004path\030\002 \001(\tBj\n\016com.go" +
+      "ogle.apiB\tHttpProtoP\001ZAgoogle.golang.org" +
+      "/genproto/googleapis/api/annotations;ann" +
+      "otations\370\001\001\242\002\004GAPIb\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        });
+    internal_static_google_api_Http_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_google_api_Http_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_api_Http_descriptor,
+        new java.lang.String[] { "Rules", "FullyDecodeReservedExpansion", });
+    internal_static_google_api_HttpRule_descriptor =
+      getDescriptor().getMessageTypes().get(1);
+    internal_static_google_api_HttpRule_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_api_HttpRule_descriptor,
+        new java.lang.String[] { "Selector", "Get", "Put", "Post", "Delete", "Patch", "Custom", "Body", "ResponseBody", "AdditionalBindings", "Pattern", });
+    internal_static_google_api_CustomHttpPattern_descriptor =
+      getDescriptor().getMessageTypes().get(2);
+    internal_static_google_api_CustomHttpPattern_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_api_CustomHttpPattern_descriptor,
+        new java.lang.String[] { "Kind", "Path", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

src/main/java/com/google/api/HttpRuleOrBuilder.java

@@ -0,0 +1,273 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/api/http.proto
+
+package com.google.api;
+
+public interface HttpRuleOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.api.HttpRule)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * Selects methods to which this rule applies.
+   * Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+   * </pre>
+   *
+   * <code>string selector = 1;</code>
+   * @return The selector.
+   */
+  java.lang.String getSelector();
+  /**
+   * <pre>
+   * Selects methods to which this rule applies.
+   * Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+   * </pre>
+   *
+   * <code>string selector = 1;</code>
+   * @return The bytes for selector.
+   */
+  com.google.protobuf.ByteString
+      getSelectorBytes();
+
+  /**
+   * <pre>
+   * Used for listing and getting information about resources.
+   * </pre>
+   *
+   * <code>string get = 2;</code>
+   * @return The get.
+   */
+  java.lang.String getGet();
+  /**
+   * <pre>
+   * Used for listing and getting information about resources.
+   * </pre>
+   *
+   * <code>string get = 2;</code>
+   * @return The bytes for get.
+   */
+  com.google.protobuf.ByteString
+      getGetBytes();
+
+  /**
+   * <pre>
+   * Used for updating a resource.
+   * </pre>
+   *
+   * <code>string put = 3;</code>
+   * @return The put.
+   */
+  java.lang.String getPut();
+  /**
+   * <pre>
+   * Used for updating a resource.
+   * </pre>
+   *
+   * <code>string put = 3;</code>
+   * @return The bytes for put.
+   */
+  com.google.protobuf.ByteString
+      getPutBytes();
+
+  /**
+   * <pre>
+   * Used for creating a resource.
+   * </pre>
+   *
+   * <code>string post = 4;</code>
+   * @return The post.
+   */
+  java.lang.String getPost();
+  /**
+   * <pre>
+   * Used for creating a resource.
+   * </pre>
+   *
+   * <code>string post = 4;</code>
+   * @return The bytes for post.
+   */
+  com.google.protobuf.ByteString
+      getPostBytes();
+
+  /**
+   * <pre>
+   * Used for deleting a resource.
+   * </pre>
+   *
+   * <code>string delete = 5;</code>
+   * @return The delete.
+   */
+  java.lang.String getDelete();
+  /**
+   * <pre>
+   * Used for deleting a resource.
+   * </pre>
+   *
+   * <code>string delete = 5;</code>
+   * @return The bytes for delete.
+   */
+  com.google.protobuf.ByteString
+      getDeleteBytes();
+
+  /**
+   * <pre>
+   * Used for updating a resource.
+   * </pre>
+   *
+   * <code>string patch = 6;</code>
+   * @return The patch.
+   */
+  java.lang.String getPatch();
+  /**
+   * <pre>
+   * Used for updating a resource.
+   * </pre>
+   *
+   * <code>string patch = 6;</code>
+   * @return The bytes for patch.
+   */
+  com.google.protobuf.ByteString
+      getPatchBytes();
+
+  /**
+   * <pre>
+   * The custom pattern is used for specifying an HTTP method that is not
+   * included in the `pattern` field, such as HEAD, or "*" to leave the
+   * HTTP method unspecified for this rule. The wild-card rule is useful
+   * for services that provide content to Web (HTML) clients.
+   * </pre>
+   *
+   * <code>.google.api.CustomHttpPattern custom = 8;</code>
+   * @return Whether the custom field is set.
+   */
+  boolean hasCustom();
+  /**
+   * <pre>
+   * The custom pattern is used for specifying an HTTP method that is not
+   * included in the `pattern` field, such as HEAD, or "*" to leave the
+   * HTTP method unspecified for this rule. The wild-card rule is useful
+   * for services that provide content to Web (HTML) clients.
+   * </pre>
+   *
+   * <code>.google.api.CustomHttpPattern custom = 8;</code>
+   * @return The custom.
+   */
+  com.google.api.CustomHttpPattern getCustom();
+  /**
+   * <pre>
+   * The custom pattern is used for specifying an HTTP method that is not
+   * included in the `pattern` field, such as HEAD, or "*" to leave the
+   * HTTP method unspecified for this rule. The wild-card rule is useful
+   * for services that provide content to Web (HTML) clients.
+   * </pre>
+   *
+   * <code>.google.api.CustomHttpPattern custom = 8;</code>
+   */
+  com.google.api.CustomHttpPatternOrBuilder getCustomOrBuilder();
+
+  /**
+   * <pre>
+   * The name of the request field whose value is mapped to the HTTP body, or
+   * `*` for mapping all fields not captured by the path pattern to the HTTP
+   * body. NOTE: the referred field must not be a repeated field and must be
+   * present at the top-level of request message type.
+   * </pre>
+   *
+   * <code>string body = 7;</code>
+   * @return The body.
+   */
+  java.lang.String getBody();
+  /**
+   * <pre>
+   * The name of the request field whose value is mapped to the HTTP body, or
+   * `*` for mapping all fields not captured by the path pattern to the HTTP
+   * body. NOTE: the referred field must not be a repeated field and must be
+   * present at the top-level of request message type.
+   * </pre>
+   *
+   * <code>string body = 7;</code>
+   * @return The bytes for body.
+   */
+  com.google.protobuf.ByteString
+      getBodyBytes();
+
+  /**
+   * <pre>
+   * Optional. The name of the response field whose value is mapped to the HTTP
+   * body of response. Other response fields are ignored. When
+   * not set, the response message will be used as HTTP body of response.
+   * </pre>
+   *
+   * <code>string response_body = 12;</code>
+   * @return The responseBody.
+   */
+  java.lang.String getResponseBody();
+  /**
+   * <pre>
+   * Optional. The name of the response field whose value is mapped to the HTTP
+   * body of response. Other response fields are ignored. When
+   * not set, the response message will be used as HTTP body of response.
+   * </pre>
+   *
+   * <code>string response_body = 12;</code>
+   * @return The bytes for responseBody.
+   */
+  com.google.protobuf.ByteString
+      getResponseBodyBytes();
+
+  /**
+   * <pre>
+   * Additional HTTP bindings for the selector. Nested bindings must
+   * not contain an `additional_bindings` field themselves (that is,
+   * the nesting may only be one level deep).
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule additional_bindings = 11;</code>
+   */
+  java.util.List<com.google.api.HttpRule> 
+      getAdditionalBindingsList();
+  /**
+   * <pre>
+   * Additional HTTP bindings for the selector. Nested bindings must
+   * not contain an `additional_bindings` field themselves (that is,
+   * the nesting may only be one level deep).
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule additional_bindings = 11;</code>
+   */
+  com.google.api.HttpRule getAdditionalBindings(int index);
+  /**
+   * <pre>
+   * Additional HTTP bindings for the selector. Nested bindings must
+   * not contain an `additional_bindings` field themselves (that is,
+   * the nesting may only be one level deep).
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule additional_bindings = 11;</code>
+   */
+  int getAdditionalBindingsCount();
+  /**
+   * <pre>
+   * Additional HTTP bindings for the selector. Nested bindings must
+   * not contain an `additional_bindings` field themselves (that is,
+   * the nesting may only be one level deep).
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule additional_bindings = 11;</code>
+   */
+  java.util.List<? extends com.google.api.HttpRuleOrBuilder> 
+      getAdditionalBindingsOrBuilderList();
+  /**
+   * <pre>
+   * Additional HTTP bindings for the selector. Nested bindings must
+   * not contain an `additional_bindings` field themselves (that is,
+   * the nesting may only be one level deep).
+   * </pre>
+   *
+   * <code>repeated .google.api.HttpRule additional_bindings = 11;</code>
+   */
+  com.google.api.HttpRuleOrBuilder getAdditionalBindingsOrBuilder(
+      int index);
+
+  public com.google.api.HttpRule.PatternCase getPatternCase();
+}

src/main/java/com/google/rpc/BadRequestOrBuilder.java

@@ -0,0 +1,53 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface BadRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.BadRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * Describes all violations in a client request.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.BadRequest.FieldViolation field_violations = 1;</code>
+   */
+  java.util.List<com.google.rpc.BadRequest.FieldViolation> 
+      getFieldViolationsList();
+  /**
+   * <pre>
+   * Describes all violations in a client request.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.BadRequest.FieldViolation field_violations = 1;</code>
+   */
+  com.google.rpc.BadRequest.FieldViolation getFieldViolations(int index);
+  /**
+   * <pre>
+   * Describes all violations in a client request.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.BadRequest.FieldViolation field_violations = 1;</code>
+   */
+  int getFieldViolationsCount();
+  /**
+   * <pre>
+   * Describes all violations in a client request.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.BadRequest.FieldViolation field_violations = 1;</code>
+   */
+  java.util.List<? extends com.google.rpc.BadRequest.FieldViolationOrBuilder> 
+      getFieldViolationsOrBuilderList();
+  /**
+   * <pre>
+   * Describes all violations in a client request.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.BadRequest.FieldViolation field_violations = 1;</code>
+   */
+  com.google.rpc.BadRequest.FieldViolationOrBuilder getFieldViolationsOrBuilder(
+      int index);
+}

src/main/java/com/google/rpc/Code.java

@@ -0,0 +1,550 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/code.proto
+
+package com.google.rpc;
+
+/**
+ * <pre>
+ * The canonical error codes for Google APIs.
+ * Sometimes multiple error codes may apply.  Services should return
+ * the most specific error code that applies.  For example, prefer
+ * `OUT_OF_RANGE` over `FAILED_PRECONDITION` if both codes apply.
+ * Similarly prefer `NOT_FOUND` or `ALREADY_EXISTS` over `FAILED_PRECONDITION`.
+ * </pre>
+ *
+ * Protobuf enum {@code google.rpc.Code}
+ */
+public enum Code
+    implements com.google.protobuf.ProtocolMessageEnum {
+  /**
+   * <pre>
+   * Not an error; returned on success
+   * HTTP Mapping: 200 OK
+   * </pre>
+   *
+   * <code>OK = 0;</code>
+   */
+  OK(0),
+  /**
+   * <pre>
+   * The operation was cancelled, typically by the caller.
+   * HTTP Mapping: 499 Client Closed Request
+   * </pre>
+   *
+   * <code>CANCELLED = 1;</code>
+   */
+  CANCELLED(1),
+  /**
+   * <pre>
+   * Unknown error.  For example, this error may be returned when
+   * a `Status` value received from another address space belongs to
+   * an error space that is not known in this address space.  Also
+   * errors raised by APIs that do not return enough error information
+   * may be converted to this error.
+   * HTTP Mapping: 500 Internal Server Error
+   * </pre>
+   *
+   * <code>UNKNOWN = 2;</code>
+   */
+  UNKNOWN(2),
+  /**
+   * <pre>
+   * The client specified an invalid argument.  Note that this differs
+   * from `FAILED_PRECONDITION`.  `INVALID_ARGUMENT` indicates arguments
+   * that are problematic regardless of the state of the system
+   * (e.g., a malformed file name).
+   * HTTP Mapping: 400 Bad Request
+   * </pre>
+   *
+   * <code>INVALID_ARGUMENT = 3;</code>
+   */
+  INVALID_ARGUMENT(3),
+  /**
+   * <pre>
+   * The deadline expired before the operation could complete. For operations
+   * that change the state of the system, this error may be returned
+   * even if the operation has completed successfully.  For example, a
+   * successful response from a server could have been delayed long
+   * enough for the deadline to expire.
+   * HTTP Mapping: 504 Gateway Timeout
+   * </pre>
+   *
+   * <code>DEADLINE_EXCEEDED = 4;</code>
+   */
+  DEADLINE_EXCEEDED(4),
+  /**
+   * <pre>
+   * Some requested entity (e.g., file or directory) was not found.
+   * Note to server developers: if a request is denied for an entire class
+   * of users, such as gradual feature rollout or undocumented whitelist,
+   * `NOT_FOUND` may be used. If a request is denied for some users within
+   * a class of users, such as user-based access control, `PERMISSION_DENIED`
+   * must be used.
+   * HTTP Mapping: 404 Not Found
+   * </pre>
+   *
+   * <code>NOT_FOUND = 5;</code>
+   */
+  NOT_FOUND(5),
+  /**
+   * <pre>
+   * The entity that a client attempted to create (e.g., file or directory)
+   * already exists.
+   * HTTP Mapping: 409 Conflict
+   * </pre>
+   *
+   * <code>ALREADY_EXISTS = 6;</code>
+   */
+  ALREADY_EXISTS(6),
+  /**
+   * <pre>
+   * The caller does not have permission to execute the specified
+   * operation. `PERMISSION_DENIED` must not be used for rejections
+   * caused by exhausting some resource (use `RESOURCE_EXHAUSTED`
+   * instead for those errors). `PERMISSION_DENIED` must not be
+   * used if the caller can not be identified (use `UNAUTHENTICATED`
+   * instead for those errors). This error code does not imply the
+   * request is valid or the requested entity exists or satisfies
+   * other pre-conditions.
+   * HTTP Mapping: 403 Forbidden
+   * </pre>
+   *
+   * <code>PERMISSION_DENIED = 7;</code>
+   */
+  PERMISSION_DENIED(7),
+  /**
+   * <pre>
+   * The request does not have valid authentication credentials for the
+   * operation.
+   * HTTP Mapping: 401 Unauthorized
+   * </pre>
+   *
+   * <code>UNAUTHENTICATED = 16;</code>
+   */
+  UNAUTHENTICATED(16),
+  /**
+   * <pre>
+   * Some resource has been exhausted, perhaps a per-user quota, or
+   * perhaps the entire file system is out of space.
+   * HTTP Mapping: 429 Too Many Requests
+   * </pre>
+   *
+   * <code>RESOURCE_EXHAUSTED = 8;</code>
+   */
+  RESOURCE_EXHAUSTED(8),
+  /**
+   * <pre>
+   * The operation was rejected because the system is not in a state
+   * required for the operation's execution.  For example, the directory
+   * to be deleted is non-empty, an rmdir operation is applied to
+   * a non-directory, etc.
+   * Service implementors can use the following guidelines to decide
+   * between `FAILED_PRECONDITION`, `ABORTED`, and `UNAVAILABLE`:
+   *  (a) Use `UNAVAILABLE` if the client can retry just the failing call.
+   *  (b) Use `ABORTED` if the client should retry at a higher level
+   *      (e.g., when a client-specified test-and-set fails, indicating the
+   *      client should restart a read-modify-write sequence).
+   *  (c) Use `FAILED_PRECONDITION` if the client should not retry until
+   *      the system state has been explicitly fixed.  E.g., if an "rmdir"
+   *      fails because the directory is non-empty, `FAILED_PRECONDITION`
+   *      should be returned since the client should not retry unless
+   *      the files are deleted from the directory.
+   * HTTP Mapping: 400 Bad Request
+   * </pre>
+   *
+   * <code>FAILED_PRECONDITION = 9;</code>
+   */
+  FAILED_PRECONDITION(9),
+  /**
+   * <pre>
+   * The operation was aborted, typically due to a concurrency issue such as
+   * a sequencer check failure or transaction abort.
+   * See the guidelines above for deciding between `FAILED_PRECONDITION`,
+   * `ABORTED`, and `UNAVAILABLE`.
+   * HTTP Mapping: 409 Conflict
+   * </pre>
+   *
+   * <code>ABORTED = 10;</code>
+   */
+  ABORTED(10),
+  /**
+   * <pre>
+   * The operation was attempted past the valid range.  E.g., seeking or
+   * reading past end-of-file.
+   * Unlike `INVALID_ARGUMENT`, this error indicates a problem that may
+   * be fixed if the system state changes. For example, a 32-bit file
+   * system will generate `INVALID_ARGUMENT` if asked to read at an
+   * offset that is not in the range [0,2^32-1], but it will generate
+   * `OUT_OF_RANGE` if asked to read from an offset past the current
+   * file size.
+   * There is a fair bit of overlap between `FAILED_PRECONDITION` and
+   * `OUT_OF_RANGE`.  We recommend using `OUT_OF_RANGE` (the more specific
+   * error) when it applies so that callers who are iterating through
+   * a space can easily look for an `OUT_OF_RANGE` error to detect when
+   * they are done.
+   * HTTP Mapping: 400 Bad Request
+   * </pre>
+   *
+   * <code>OUT_OF_RANGE = 11;</code>
+   */
+  OUT_OF_RANGE(11),
+  /**
+   * <pre>
+   * The operation is not implemented or is not supported/enabled in this
+   * service.
+   * HTTP Mapping: 501 Not Implemented
+   * </pre>
+   *
+   * <code>UNIMPLEMENTED = 12;</code>
+   */
+  UNIMPLEMENTED(12),
+  /**
+   * <pre>
+   * Internal errors.  This means that some invariants expected by the
+   * underlying system have been broken.  This error code is reserved
+   * for serious errors.
+   * HTTP Mapping: 500 Internal Server Error
+   * </pre>
+   *
+   * <code>INTERNAL = 13;</code>
+   */
+  INTERNAL(13),
+  /**
+   * <pre>
+   * The service is currently unavailable.  This is most likely a
+   * transient condition, which can be corrected by retrying with
+   * a backoff.
+   * See the guidelines above for deciding between `FAILED_PRECONDITION`,
+   * `ABORTED`, and `UNAVAILABLE`.
+   * HTTP Mapping: 503 Service Unavailable
+   * </pre>
+   *
+   * <code>UNAVAILABLE = 14;</code>
+   */
+  UNAVAILABLE(14),
+  /**
+   * <pre>
+   * Unrecoverable data loss or corruption.
+   * HTTP Mapping: 500 Internal Server Error
+   * </pre>
+   *
+   * <code>DATA_LOSS = 15;</code>
+   */
+  DATA_LOSS(15),
+  UNRECOGNIZED(-1),
+  ;
+
+  /**
+   * <pre>
+   * Not an error; returned on success
+   * HTTP Mapping: 200 OK
+   * </pre>
+   *
+   * <code>OK = 0;</code>
+   */
+  public static final int OK_VALUE = 0;
+  /**
+   * <pre>
+   * The operation was cancelled, typically by the caller.
+   * HTTP Mapping: 499 Client Closed Request
+   * </pre>
+   *
+   * <code>CANCELLED = 1;</code>
+   */
+  public static final int CANCELLED_VALUE = 1;
+  /**
+   * <pre>
+   * Unknown error.  For example, this error may be returned when
+   * a `Status` value received from another address space belongs to
+   * an error space that is not known in this address space.  Also
+   * errors raised by APIs that do not return enough error information
+   * may be converted to this error.
+   * HTTP Mapping: 500 Internal Server Error
+   * </pre>
+   *
+   * <code>UNKNOWN = 2;</code>
+   */
+  public static final int UNKNOWN_VALUE = 2;
+  /**
+   * <pre>
+   * The client specified an invalid argument.  Note that this differs
+   * from `FAILED_PRECONDITION`.  `INVALID_ARGUMENT` indicates arguments
+   * that are problematic regardless of the state of the system
+   * (e.g., a malformed file name).
+   * HTTP Mapping: 400 Bad Request
+   * </pre>
+   *
+   * <code>INVALID_ARGUMENT = 3;</code>
+   */
+  public static final int INVALID_ARGUMENT_VALUE = 3;
+  /**
+   * <pre>
+   * The deadline expired before the operation could complete. For operations
+   * that change the state of the system, this error may be returned
+   * even if the operation has completed successfully.  For example, a
+   * successful response from a server could have been delayed long
+   * enough for the deadline to expire.
+   * HTTP Mapping: 504 Gateway Timeout
+   * </pre>
+   *
+   * <code>DEADLINE_EXCEEDED = 4;</code>
+   */
+  public static final int DEADLINE_EXCEEDED_VALUE = 4;
+  /**
+   * <pre>
+   * Some requested entity (e.g., file or directory) was not found.
+   * Note to server developers: if a request is denied for an entire class
+   * of users, such as gradual feature rollout or undocumented whitelist,
+   * `NOT_FOUND` may be used. If a request is denied for some users within
+   * a class of users, such as user-based access control, `PERMISSION_DENIED`
+   * must be used.
+   * HTTP Mapping: 404 Not Found
+   * </pre>
+   *
+   * <code>NOT_FOUND = 5;</code>
+   */
+  public static final int NOT_FOUND_VALUE = 5;
+  /**
+   * <pre>
+   * The entity that a client attempted to create (e.g., file or directory)
+   * already exists.
+   * HTTP Mapping: 409 Conflict
+   * </pre>
+   *
+   * <code>ALREADY_EXISTS = 6;</code>
+   */
+  public static final int ALREADY_EXISTS_VALUE = 6;
+  /**
+   * <pre>
+   * The caller does not have permission to execute the specified
+   * operation. `PERMISSION_DENIED` must not be used for rejections
+   * caused by exhausting some resource (use `RESOURCE_EXHAUSTED`
+   * instead for those errors). `PERMISSION_DENIED` must not be
+   * used if the caller can not be identified (use `UNAUTHENTICATED`
+   * instead for those errors). This error code does not imply the
+   * request is valid or the requested entity exists or satisfies
+   * other pre-conditions.
+   * HTTP Mapping: 403 Forbidden
+   * </pre>
+   *
+   * <code>PERMISSION_DENIED = 7;</code>
+   */
+  public static final int PERMISSION_DENIED_VALUE = 7;
+  /**
+   * <pre>
+   * The request does not have valid authentication credentials for the
+   * operation.
+   * HTTP Mapping: 401 Unauthorized
+   * </pre>
+   *
+   * <code>UNAUTHENTICATED = 16;</code>
+   */
+  public static final int UNAUTHENTICATED_VALUE = 16;
+  /**
+   * <pre>
+   * Some resource has been exhausted, perhaps a per-user quota, or
+   * perhaps the entire file system is out of space.
+   * HTTP Mapping: 429 Too Many Requests
+   * </pre>
+   *
+   * <code>RESOURCE_EXHAUSTED = 8;</code>
+   */
+  public static final int RESOURCE_EXHAUSTED_VALUE = 8;
+  /**
+   * <pre>
+   * The operation was rejected because the system is not in a state
+   * required for the operation's execution.  For example, the directory
+   * to be deleted is non-empty, an rmdir operation is applied to
+   * a non-directory, etc.
+   * Service implementors can use the following guidelines to decide
+   * between `FAILED_PRECONDITION`, `ABORTED`, and `UNAVAILABLE`:
+   *  (a) Use `UNAVAILABLE` if the client can retry just the failing call.
+   *  (b) Use `ABORTED` if the client should retry at a higher level
+   *      (e.g., when a client-specified test-and-set fails, indicating the
+   *      client should restart a read-modify-write sequence).
+   *  (c) Use `FAILED_PRECONDITION` if the client should not retry until
+   *      the system state has been explicitly fixed.  E.g., if an "rmdir"
+   *      fails because the directory is non-empty, `FAILED_PRECONDITION`
+   *      should be returned since the client should not retry unless
+   *      the files are deleted from the directory.
+   * HTTP Mapping: 400 Bad Request
+   * </pre>
+   *
+   * <code>FAILED_PRECONDITION = 9;</code>
+   */
+  public static final int FAILED_PRECONDITION_VALUE = 9;
+  /**
+   * <pre>
+   * The operation was aborted, typically due to a concurrency issue such as
+   * a sequencer check failure or transaction abort.
+   * See the guidelines above for deciding between `FAILED_PRECONDITION`,
+   * `ABORTED`, and `UNAVAILABLE`.
+   * HTTP Mapping: 409 Conflict
+   * </pre>
+   *
+   * <code>ABORTED = 10;</code>
+   */
+  public static final int ABORTED_VALUE = 10;
+  /**
+   * <pre>
+   * The operation was attempted past the valid range.  E.g., seeking or
+   * reading past end-of-file.
+   * Unlike `INVALID_ARGUMENT`, this error indicates a problem that may
+   * be fixed if the system state changes. For example, a 32-bit file
+   * system will generate `INVALID_ARGUMENT` if asked to read at an
+   * offset that is not in the range [0,2^32-1], but it will generate
+   * `OUT_OF_RANGE` if asked to read from an offset past the current
+   * file size.
+   * There is a fair bit of overlap between `FAILED_PRECONDITION` and
+   * `OUT_OF_RANGE`.  We recommend using `OUT_OF_RANGE` (the more specific
+   * error) when it applies so that callers who are iterating through
+   * a space can easily look for an `OUT_OF_RANGE` error to detect when
+   * they are done.
+   * HTTP Mapping: 400 Bad Request
+   * </pre>
+   *
+   * <code>OUT_OF_RANGE = 11;</code>
+   */
+  public static final int OUT_OF_RANGE_VALUE = 11;
+  /**
+   * <pre>
+   * The operation is not implemented or is not supported/enabled in this
+   * service.
+   * HTTP Mapping: 501 Not Implemented
+   * </pre>
+   *
+   * <code>UNIMPLEMENTED = 12;</code>
+   */
+  public static final int UNIMPLEMENTED_VALUE = 12;
+  /**
+   * <pre>
+   * Internal errors.  This means that some invariants expected by the
+   * underlying system have been broken.  This error code is reserved
+   * for serious errors.
+   * HTTP Mapping: 500 Internal Server Error
+   * </pre>
+   *
+   * <code>INTERNAL = 13;</code>
+   */
+  public static final int INTERNAL_VALUE = 13;
+  /**
+   * <pre>
+   * The service is currently unavailable.  This is most likely a
+   * transient condition, which can be corrected by retrying with
+   * a backoff.
+   * See the guidelines above for deciding between `FAILED_PRECONDITION`,
+   * `ABORTED`, and `UNAVAILABLE`.
+   * HTTP Mapping: 503 Service Unavailable
+   * </pre>
+   *
+   * <code>UNAVAILABLE = 14;</code>
+   */
+  public static final int UNAVAILABLE_VALUE = 14;
+  /**
+   * <pre>
+   * Unrecoverable data loss or corruption.
+   * HTTP Mapping: 500 Internal Server Error
+   * </pre>
+   *
+   * <code>DATA_LOSS = 15;</code>
+   */
+  public static final int DATA_LOSS_VALUE = 15;
+
+
+  public final int getNumber() {
+    if (this == UNRECOGNIZED) {
+      throw new java.lang.IllegalArgumentException(
+          "Can't get the number of an unknown enum value.");
+    }
+    return value;
+  }
+
+  /**
+   * @param value The numeric wire value of the corresponding enum entry.
+   * @return The enum associated with the given numeric wire value.
+   * @deprecated Use {@link #forNumber(int)} instead.
+   */
+  @java.lang.Deprecated
+  public static Code valueOf(int value) {
+    return forNumber(value);
+  }
+
+  /**
+   * @param value The numeric wire value of the corresponding enum entry.
+   * @return The enum associated with the given numeric wire value.
+   */
+  public static Code forNumber(int value) {
+    switch (value) {
+      case 0: return OK;
+      case 1: return CANCELLED;
+      case 2: return UNKNOWN;
+      case 3: return INVALID_ARGUMENT;
+      case 4: return DEADLINE_EXCEEDED;
+      case 5: return NOT_FOUND;
+      case 6: return ALREADY_EXISTS;
+      case 7: return PERMISSION_DENIED;
+      case 16: return UNAUTHENTICATED;
+      case 8: return RESOURCE_EXHAUSTED;
+      case 9: return FAILED_PRECONDITION;
+      case 10: return ABORTED;
+      case 11: return OUT_OF_RANGE;
+      case 12: return UNIMPLEMENTED;
+      case 13: return INTERNAL;
+      case 14: return UNAVAILABLE;
+      case 15: return DATA_LOSS;
+      default: return null;
+    }
+  }
+
+  public static com.google.protobuf.Internal.EnumLiteMap<Code>
+      internalGetValueMap() {
+    return internalValueMap;
+  }
+  private static final com.google.protobuf.Internal.EnumLiteMap<
+      Code> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<Code>() {
+          public Code findValueByNumber(int number) {
+            return Code.forNumber(number);
+          }
+        };
+
+  public final com.google.protobuf.Descriptors.EnumValueDescriptor
+      getValueDescriptor() {
+    if (this == UNRECOGNIZED) {
+      throw new java.lang.IllegalStateException(
+          "Can't get the descriptor of an unrecognized enum value.");
+    }
+    return getDescriptor().getValues().get(ordinal());
+  }
+  public final com.google.protobuf.Descriptors.EnumDescriptor
+      getDescriptorForType() {
+    return getDescriptor();
+  }
+  public static final com.google.protobuf.Descriptors.EnumDescriptor
+      getDescriptor() {
+    return com.google.rpc.CodeProto.getDescriptor().getEnumTypes().get(0);
+  }
+
+  private static final Code[] VALUES = values();
+
+  public static Code valueOf(
+      com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+    if (desc.getType() != getDescriptor()) {
+      throw new java.lang.IllegalArgumentException(
+        "EnumValueDescriptor is not for this type.");
+    }
+    if (desc.getIndex() == -1) {
+      return UNRECOGNIZED;
+    }
+    return VALUES[desc.getIndex()];
+  }
+
+  private final int value;
+
+  private Code(int value) {
+    this.value = value;
+  }
+
+  // @@protoc_insertion_point(enum_scope:google.rpc.Code)
+}
+

src/main/java/com/google/rpc/CodeProto.java

@@ -0,0 +1,46 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/code.proto
+
+package com.google.rpc;
+
+public final class CodeProto {
+  private CodeProto() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\025google/rpc/code.proto\022\ngoogle.rpc*\267\002\n\004" +
+      "Code\022\006\n\002OK\020\000\022\r\n\tCANCELLED\020\001\022\013\n\007UNKNOWN\020\002" +
+      "\022\024\n\020INVALID_ARGUMENT\020\003\022\025\n\021DEADLINE_EXCEE" +
+      "DED\020\004\022\r\n\tNOT_FOUND\020\005\022\022\n\016ALREADY_EXISTS\020\006" +
+      "\022\025\n\021PERMISSION_DENIED\020\007\022\023\n\017UNAUTHENTICAT" +
+      "ED\020\020\022\026\n\022RESOURCE_EXHAUSTED\020\010\022\027\n\023FAILED_P" +
+      "RECONDITION\020\t\022\013\n\007ABORTED\020\n\022\020\n\014OUT_OF_RAN" +
+      "GE\020\013\022\021\n\rUNIMPLEMENTED\020\014\022\014\n\010INTERNAL\020\r\022\017\n" +
+      "\013UNAVAILABLE\020\016\022\r\n\tDATA_LOSS\020\017BX\n\016com.goo" +
+      "gle.rpcB\tCodeProtoP\001Z3google.golang.org/" +
+      "genproto/googleapis/rpc/code;code\242\002\003RPCb" +
+      "\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

src/main/java/com/google/rpc/DebugInfo.java

@@ -0,0 +1,840 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+/**
+ * <pre>
+ * Describes additional debugging info.
+ * </pre>
+ *
+ * Protobuf type {@code google.rpc.DebugInfo}
+ */
+public final class DebugInfo extends
+    com.google.protobuf.GeneratedMessageV3 implements
+    // @@protoc_insertion_point(message_implements:google.rpc.DebugInfo)
+    DebugInfoOrBuilder {
+private static final long serialVersionUID = 0L;
+  // Use DebugInfo.newBuilder() to construct.
+  private DebugInfo(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
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+  private DebugInfo() {
+    stackEntries_ = com.google.protobuf.LazyStringArrayList.EMPTY;
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+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
+    return new DebugInfo();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet
+  getUnknownFields() {
+    return this.unknownFields;
+  }
+  private DebugInfo(
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    int mutable_bitField0_ = 0;
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+
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+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
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+      throw new com.google.protobuf.InvalidProtocolBufferException(
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+        stackEntries_ = stackEntries_.getUnmodifiableView();
+      }
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_DebugInfo_descriptor;
+  }
+
+  @java.lang.Override
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+  /**
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+   * The stack trace entries indicating where the error occurred.
+   * </pre>
+   *
+   * <code>repeated string stack_entries = 1;</code>
+   * @return A list containing the stackEntries.
+   */
+  public com.google.protobuf.ProtocolStringList
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+    return stackEntries_;
+  }
+  /**
+   * <pre>
+   * The stack trace entries indicating where the error occurred.
+   * </pre>
+   *
+   * <code>repeated string stack_entries = 1;</code>
+   * @return The count of stackEntries.
+   */
+  public int getStackEntriesCount() {
+    return stackEntries_.size();
+  }
+  /**
+   * <pre>
+   * The stack trace entries indicating where the error occurred.
+   * </pre>
+   *
+   * <code>repeated string stack_entries = 1;</code>
+   * @param index The index of the element to return.
+   * @return The stackEntries at the given index.
+   */
+  public java.lang.String getStackEntries(int index) {
+    return stackEntries_.get(index);
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+  /**
+   * <pre>
+   * The stack trace entries indicating where the error occurred.
+   * </pre>
+   *
+   * <code>repeated string stack_entries = 1;</code>
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+  }
+
+  public static final int DETAIL_FIELD_NUMBER = 2;
+  private volatile java.lang.Object detail_;
+  /**
+   * <pre>
+   * Additional debugging information provided by the server.
+   * </pre>
+   *
+   * <code>string detail = 2;</code>
+   * @return The detail.
+   */
+  @java.lang.Override
+  public java.lang.String getDetail() {
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+      detail_ = s;
+      return s;
+    }
+  }
+  /**
+   * <pre>
+   * Additional debugging information provided by the server.
+   * </pre>
+   *
+   * <code>string detail = 2;</code>
+   * @return The bytes for detail.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString
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+    java.lang.Object ref = detail_;
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+              (java.lang.String) ref);
+      detail_ = b;
+      return b;
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+  @java.lang.Override
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+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
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+  public void writeTo(com.google.protobuf.CodedOutputStream output)
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+    if (!getDetailBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, detail_);
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+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    {
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+      for (int i = 0; i < stackEntries_.size(); i++) {
+        dataSize += computeStringSizeNoTag(stackEntries_.getRaw(i));
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+      size += 1 * getStackEntriesList().size();
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+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
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+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+     return true;
+    }
+    if (!(obj instanceof com.google.rpc.DebugInfo)) {
+      return super.equals(obj);
+    }
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+
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+        .equals(other.getStackEntriesList())) return false;
+    if (!getDetail()
+        .equals(other.getDetail())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getStackEntriesCount() > 0) {
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+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.DebugInfo parseFrom(
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
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+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.DebugInfo parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+  public static com.google.rpc.DebugInfo parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
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+  }
+  public static com.google.rpc.DebugInfo parseFrom(
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+  public static com.google.rpc.DebugInfo parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.DebugInfo parseFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
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+  public static com.google.rpc.DebugInfo parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.DebugInfo parseDelimitedFrom(
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
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+  public static com.google.rpc.DebugInfo parseFrom(
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
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+  public static com.google.rpc.DebugInfo parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() { return newBuilder(); }
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+  public static Builder newBuilder(com.google.rpc.DebugInfo prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
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+
+  @java.lang.Override
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   * <pre>
+   * Describes additional debugging info.
+   * </pre>
+   *
+   * Protobuf type {@code google.rpc.DebugInfo}
+   */
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+      // @@protoc_insertion_point(builder_implements:google.rpc.DebugInfo)
+      com.google.rpc.DebugInfoOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
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+    }
+
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+    }
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+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_DebugInfo_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.rpc.DebugInfo getDefaultInstanceForType() {
+      return com.google.rpc.DebugInfo.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.rpc.DebugInfo build() {
+      com.google.rpc.DebugInfo result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.rpc.DebugInfo buildPartial() {
+      com.google.rpc.DebugInfo result = new com.google.rpc.DebugInfo(this);
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+      onBuilt();
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+    @java.lang.Override
+    public Builder clone() {
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+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
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+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
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+    @java.lang.Override
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
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+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
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+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.addRepeatedField(field, value);
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+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.rpc.DebugInfo) {
+        return mergeFrom((com.google.rpc.DebugInfo)other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
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+
+    public Builder mergeFrom(com.google.rpc.DebugInfo other) {
+      if (other == com.google.rpc.DebugInfo.getDefaultInstance()) return this;
+      if (!other.stackEntries_.isEmpty()) {
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+        onChanged();
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+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.rpc.DebugInfo parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.rpc.DebugInfo) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+    private int bitField0_;
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+    private com.google.protobuf.LazyStringList stackEntries_ = com.google.protobuf.LazyStringArrayList.EMPTY;
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+        bitField0_ |= 0x00000001;
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+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @return A list containing the stackEntries.
+     */
+    public com.google.protobuf.ProtocolStringList
+        getStackEntriesList() {
+      return stackEntries_.getUnmodifiableView();
+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @return The count of stackEntries.
+     */
+    public int getStackEntriesCount() {
+      return stackEntries_.size();
+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @param index The index of the element to return.
+     * @return The stackEntries at the given index.
+     */
+    public java.lang.String getStackEntries(int index) {
+      return stackEntries_.get(index);
+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @param index The index of the value to return.
+     * @return The bytes of the stackEntries at the given index.
+     */
+    public com.google.protobuf.ByteString
+        getStackEntriesBytes(int index) {
+      return stackEntries_.getByteString(index);
+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @param index The index to set the value at.
+     * @param value The stackEntries to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStackEntries(
+        int index, java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  ensureStackEntriesIsMutable();
+      stackEntries_.set(index, value);
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @param value The stackEntries to add.
+     * @return This builder for chaining.
+     */
+    public Builder addStackEntries(
+        java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  ensureStackEntriesIsMutable();
+      stackEntries_.add(value);
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @param values The stackEntries to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllStackEntries(
+        java.lang.Iterable<java.lang.String> values) {
+      ensureStackEntriesIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, stackEntries_);
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearStackEntries() {
+      stackEntries_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The stack trace entries indicating where the error occurred.
+     * </pre>
+     *
+     * <code>repeated string stack_entries = 1;</code>
+     * @param value The bytes of the stackEntries to add.
+     * @return This builder for chaining.
+     */
+    public Builder addStackEntriesBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+      ensureStackEntriesIsMutable();
+      stackEntries_.add(value);
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object detail_ = "";
+    /**
+     * <pre>
+     * Additional debugging information provided by the server.
+     * </pre>
+     *
+     * <code>string detail = 2;</code>
+     * @return The detail.
+     */
+    public java.lang.String getDetail() {
+      java.lang.Object ref = detail_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        detail_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     * <pre>
+     * Additional debugging information provided by the server.
+     * </pre>
+     *
+     * <code>string detail = 2;</code>
+     * @return The bytes for detail.
+     */
+    public com.google.protobuf.ByteString
+        getDetailBytes() {
+      java.lang.Object ref = detail_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        detail_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     * <pre>
+     * Additional debugging information provided by the server.
+     * </pre>
+     *
+     * <code>string detail = 2;</code>
+     * @param value The detail to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDetail(
+        java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  
+      detail_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * Additional debugging information provided by the server.
+     * </pre>
+     *
+     * <code>string detail = 2;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearDetail() {
+      
+      detail_ = getDefaultInstance().getDetail();
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * Additional debugging information provided by the server.
+     * </pre>
+     *
+     * <code>string detail = 2;</code>
+     * @param value The bytes for detail to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDetailBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+      
+      detail_ = value;
+      onChanged();
+      return this;
+    }
+    @java.lang.Override
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+
+    // @@protoc_insertion_point(builder_scope:google.rpc.DebugInfo)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.rpc.DebugInfo)
+  private static final com.google.rpc.DebugInfo DEFAULT_INSTANCE;
+  static {
+    DEFAULT_INSTANCE = new com.google.rpc.DebugInfo();
+  }
+
+  public static com.google.rpc.DebugInfo getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<DebugInfo>
+      PARSER = new com.google.protobuf.AbstractParser<DebugInfo>() {
+    @java.lang.Override
+    public DebugInfo parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return new DebugInfo(input, extensionRegistry);
+    }
+  };
+
+  public static com.google.protobuf.Parser<DebugInfo> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<DebugInfo> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.rpc.DebugInfo getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+
+}
+

src/main/java/com/google/rpc/DebugInfoOrBuilder.java

@@ -0,0 +1,70 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface DebugInfoOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.DebugInfo)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * The stack trace entries indicating where the error occurred.
+   * </pre>
+   *
+   * <code>repeated string stack_entries = 1;</code>
+   * @return A list containing the stackEntries.
+   */
+  java.util.List<java.lang.String>
+      getStackEntriesList();
+  /**
+   * <pre>
+   * The stack trace entries indicating where the error occurred.
+   * </pre>
+   *
+   * <code>repeated string stack_entries = 1;</code>
+   * @return The count of stackEntries.
+   */
+  int getStackEntriesCount();
+  /**
+   * <pre>
+   * The stack trace entries indicating where the error occurred.
+   * </pre>
+   *
+   * <code>repeated string stack_entries = 1;</code>
+   * @param index The index of the element to return.
+   * @return The stackEntries at the given index.
+   */
+  java.lang.String getStackEntries(int index);
+  /**
+   * <pre>
+   * The stack trace entries indicating where the error occurred.
+   * </pre>
+   *
+   * <code>repeated string stack_entries = 1;</code>
+   * @param index The index of the value to return.
+   * @return The bytes of the stackEntries at the given index.
+   */
+  com.google.protobuf.ByteString
+      getStackEntriesBytes(int index);
+
+  /**
+   * <pre>
+   * Additional debugging information provided by the server.
+   * </pre>
+   *
+   * <code>string detail = 2;</code>
+   * @return The detail.
+   */
+  java.lang.String getDetail();
+  /**
+   * <pre>
+   * Additional debugging information provided by the server.
+   * </pre>
+   *
+   * <code>string detail = 2;</code>
+   * @return The bytes for detail.
+   */
+  com.google.protobuf.ByteString
+      getDetailBytes();
+}

src/main/java/com/google/rpc/ErrorDetailsProto.java

@@ -0,0 +1,205 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public final class ErrorDetailsProto {
+  private ErrorDetailsProto() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_RetryInfo_descriptor;
+  static final 
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+      internal_static_google_rpc_RetryInfo_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_DebugInfo_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_DebugInfo_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_QuotaFailure_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_QuotaFailure_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_QuotaFailure_Violation_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_QuotaFailure_Violation_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_PreconditionFailure_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_PreconditionFailure_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_PreconditionFailure_Violation_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_PreconditionFailure_Violation_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_BadRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_BadRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_BadRequest_FieldViolation_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_BadRequest_FieldViolation_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_RequestInfo_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_RequestInfo_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_ResourceInfo_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_ResourceInfo_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_Help_descriptor;
+  static final 
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+      internal_static_google_rpc_Help_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_Help_Link_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_Help_Link_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_LocalizedMessage_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_LocalizedMessage_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
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+      "\n\036google/rpc/error_details.proto\022\ngoogle" +
+      ".rpc\032\036google/protobuf/duration.proto\";\n\t" +
+      "RetryInfo\022.\n\013retry_delay\030\001 \001(\0132\031.google." +
+      "protobuf.Duration\"2\n\tDebugInfo\022\025\n\rstack_" +
+      "entries\030\001 \003(\t\022\016\n\006detail\030\002 \001(\t\"y\n\014QuotaFa" +
+      "ilure\0226\n\nviolations\030\001 \003(\0132\".google.rpc.Q" +
+      "uotaFailure.Violation\0321\n\tViolation\022\017\n\007su" +
+      "bject\030\001 \001(\t\022\023\n\013description\030\002 \001(\t\"\225\001\n\023Pre" +
+      "conditionFailure\022=\n\nviolations\030\001 \003(\0132).g" +
+      "oogle.rpc.PreconditionFailure.Violation\032" +
+      "?\n\tViolation\022\014\n\004type\030\001 \001(\t\022\017\n\007subject\030\002 " +
+      "\001(\t\022\023\n\013description\030\003 \001(\t\"\203\001\n\nBadRequest\022" +
+      "?\n\020field_violations\030\001 \003(\0132%.google.rpc.B" +
+      "adRequest.FieldViolation\0324\n\016FieldViolati" +
+      "on\022\r\n\005field\030\001 \001(\t\022\023\n\013description\030\002 \001(\t\"7" +
+      "\n\013RequestInfo\022\022\n\nrequest_id\030\001 \001(\t\022\024\n\014ser" +
+      "ving_data\030\002 \001(\t\"`\n\014ResourceInfo\022\025\n\rresou" +
+      "rce_type\030\001 \001(\t\022\025\n\rresource_name\030\002 \001(\t\022\r\n" +
+      "\005owner\030\003 \001(\t\022\023\n\013description\030\004 \001(\t\"V\n\004Hel" +
+      "p\022$\n\005links\030\001 \003(\0132\025.google.rpc.Help.Link\032" +
+      "(\n\004Link\022\023\n\013description\030\001 \001(\t\022\013\n\003url\030\002 \001(" +
+      "\t\"3\n\020LocalizedMessage\022\016\n\006locale\030\001 \001(\t\022\017\n" +
+      "\007message\030\002 \001(\tBl\n\016com.google.rpcB\021ErrorD" +
+      "etailsProtoP\001Z?google.golang.org/genprot" +
+      "o/googleapis/rpc/errdetails;errdetails\242\002" +
+      "\003RPCb\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+          com.google.protobuf.DurationProto.getDescriptor(),
+        });
+    internal_static_google_rpc_RetryInfo_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_google_rpc_RetryInfo_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_RetryInfo_descriptor,
+        new java.lang.String[] { "RetryDelay", });
+    internal_static_google_rpc_DebugInfo_descriptor =
+      getDescriptor().getMessageTypes().get(1);
+    internal_static_google_rpc_DebugInfo_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_DebugInfo_descriptor,
+        new java.lang.String[] { "StackEntries", "Detail", });
+    internal_static_google_rpc_QuotaFailure_descriptor =
+      getDescriptor().getMessageTypes().get(2);
+    internal_static_google_rpc_QuotaFailure_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_QuotaFailure_descriptor,
+        new java.lang.String[] { "Violations", });
+    internal_static_google_rpc_QuotaFailure_Violation_descriptor =
+      internal_static_google_rpc_QuotaFailure_descriptor.getNestedTypes().get(0);
+    internal_static_google_rpc_QuotaFailure_Violation_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_QuotaFailure_Violation_descriptor,
+        new java.lang.String[] { "Subject", "Description", });
+    internal_static_google_rpc_PreconditionFailure_descriptor =
+      getDescriptor().getMessageTypes().get(3);
+    internal_static_google_rpc_PreconditionFailure_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_PreconditionFailure_descriptor,
+        new java.lang.String[] { "Violations", });
+    internal_static_google_rpc_PreconditionFailure_Violation_descriptor =
+      internal_static_google_rpc_PreconditionFailure_descriptor.getNestedTypes().get(0);
+    internal_static_google_rpc_PreconditionFailure_Violation_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_PreconditionFailure_Violation_descriptor,
+        new java.lang.String[] { "Type", "Subject", "Description", });
+    internal_static_google_rpc_BadRequest_descriptor =
+      getDescriptor().getMessageTypes().get(4);
+    internal_static_google_rpc_BadRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_BadRequest_descriptor,
+        new java.lang.String[] { "FieldViolations", });
+    internal_static_google_rpc_BadRequest_FieldViolation_descriptor =
+      internal_static_google_rpc_BadRequest_descriptor.getNestedTypes().get(0);
+    internal_static_google_rpc_BadRequest_FieldViolation_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_BadRequest_FieldViolation_descriptor,
+        new java.lang.String[] { "Field", "Description", });
+    internal_static_google_rpc_RequestInfo_descriptor =
+      getDescriptor().getMessageTypes().get(5);
+    internal_static_google_rpc_RequestInfo_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_RequestInfo_descriptor,
+        new java.lang.String[] { "RequestId", "ServingData", });
+    internal_static_google_rpc_ResourceInfo_descriptor =
+      getDescriptor().getMessageTypes().get(6);
+    internal_static_google_rpc_ResourceInfo_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_ResourceInfo_descriptor,
+        new java.lang.String[] { "ResourceType", "ResourceName", "Owner", "Description", });
+    internal_static_google_rpc_Help_descriptor =
+      getDescriptor().getMessageTypes().get(7);
+    internal_static_google_rpc_Help_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_Help_descriptor,
+        new java.lang.String[] { "Links", });
+    internal_static_google_rpc_Help_Link_descriptor =
+      internal_static_google_rpc_Help_descriptor.getNestedTypes().get(0);
+    internal_static_google_rpc_Help_Link_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_Help_Link_descriptor,
+        new java.lang.String[] { "Description", "Url", });
+    internal_static_google_rpc_LocalizedMessage_descriptor =
+      getDescriptor().getMessageTypes().get(8);
+    internal_static_google_rpc_LocalizedMessage_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_LocalizedMessage_descriptor,
+        new java.lang.String[] { "Locale", "Message", });
+    com.google.protobuf.DurationProto.getDescriptor();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

src/main/java/com/google/rpc/HelpOrBuilder.java

@@ -0,0 +1,53 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface HelpOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.Help)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * URL(s) pointing to additional information on handling the current error.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.Help.Link links = 1;</code>
+   */
+  java.util.List<com.google.rpc.Help.Link> 
+      getLinksList();
+  /**
+   * <pre>
+   * URL(s) pointing to additional information on handling the current error.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.Help.Link links = 1;</code>
+   */
+  com.google.rpc.Help.Link getLinks(int index);
+  /**
+   * <pre>
+   * URL(s) pointing to additional information on handling the current error.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.Help.Link links = 1;</code>
+   */
+  int getLinksCount();
+  /**
+   * <pre>
+   * URL(s) pointing to additional information on handling the current error.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.Help.Link links = 1;</code>
+   */
+  java.util.List<? extends com.google.rpc.Help.LinkOrBuilder> 
+      getLinksOrBuilderList();
+  /**
+   * <pre>
+   * URL(s) pointing to additional information on handling the current error.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.Help.Link links = 1;</code>
+   */
+  com.google.rpc.Help.LinkOrBuilder getLinksOrBuilder(
+      int index);
+}

src/main/java/com/google/rpc/LocalizedMessage.java

@@ -0,0 +1,775 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+/**
+ * <pre>
+ * Provides a localized error message that is safe to return to the user
+ * which can be attached to an RPC error.
+ * </pre>
+ *
+ * Protobuf type {@code google.rpc.LocalizedMessage}
+ */
+public final class LocalizedMessage extends
+    com.google.protobuf.GeneratedMessageV3 implements
+    // @@protoc_insertion_point(message_implements:google.rpc.LocalizedMessage)
+    LocalizedMessageOrBuilder {
+private static final long serialVersionUID = 0L;
+  // Use LocalizedMessage.newBuilder() to construct.
+  private LocalizedMessage(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+  private LocalizedMessage() {
+    locale_ = "";
+    message_ = "";
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+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(
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+    return new LocalizedMessage();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
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+
+            locale_ = s;
+            break;
+          }
+          case 18: {
+            java.lang.String s = input.readStringRequireUtf8();
+
+            message_ = s;
+            break;
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+          default: {
+            if (!parseUnknownField(
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+      throw new com.google.protobuf.InvalidProtocolBufferException(
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+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_LocalizedMessage_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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+  private volatile java.lang.Object locale_;
+  /**
+   * <pre>
+   * The locale used following the specification defined at
+   * http://www.rfc-editor.org/rfc/bcp/bcp47.txt.
+   * Examples are: "en-US", "fr-CH", "es-MX"
+   * </pre>
+   *
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+   * @return The locale.
+   */
+  @java.lang.Override
+  public java.lang.String getLocale() {
+    java.lang.Object ref = locale_;
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+      java.lang.String s = bs.toStringUtf8();
+      locale_ = s;
+      return s;
+    }
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+   * <pre>
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+   * Examples are: "en-US", "fr-CH", "es-MX"
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+  /**
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+   * The localized error message in the above locale.
+   * </pre>
+   *
+   * <code>string message = 2;</code>
+   * @return The message.
+   */
+  @java.lang.Override
+  public java.lang.String getMessage() {
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+    if (ref instanceof java.lang.String) {
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+      com.google.protobuf.ByteString b = 
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+      message_ = b;
+      return b;
+    } else {
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+  }
+
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+  @java.lang.Override
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+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
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+    memoizedIsInitialized = 1;
+    return true;
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+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
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+    if (!getLocaleBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, locale_);
+    }
+    if (!getMessageBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, message_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getLocaleBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, locale_);
+    }
+    if (!getMessageBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, message_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+     return true;
+    }
+    if (!(obj instanceof com.google.rpc.LocalizedMessage)) {
+      return super.equals(obj);
+    }
+    com.google.rpc.LocalizedMessage other = (com.google.rpc.LocalizedMessage) obj;
+
+    if (!getLocale()
+        .equals(other.getLocale())) return false;
+    if (!getMessage()
+        .equals(other.getMessage())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + LOCALE_FIELD_NUMBER;
+    hash = (53 * hash) + getLocale().hashCode();
+    hash = (37 * hash) + MESSAGE_FIELD_NUMBER;
+    hash = (53 * hash) + getMessage().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.rpc.LocalizedMessage parseFrom(
+      java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.LocalizedMessage parseFrom(
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.rpc.LocalizedMessage parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.LocalizedMessage parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.rpc.LocalizedMessage parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.LocalizedMessage parseFrom(
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+      throws java.io.IOException {
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+        .parseWithIOException(PARSER, input);
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
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+  public static com.google.rpc.LocalizedMessage parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.LocalizedMessage parseDelimitedFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.rpc.LocalizedMessage parseFrom(
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.LocalizedMessage parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() { return newBuilder(); }
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+  public static Builder newBuilder(com.google.rpc.LocalizedMessage prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   * <pre>
+   * Provides a localized error message that is safe to return to the user
+   * which can be attached to an RPC error.
+   * </pre>
+   *
+   * Protobuf type {@code google.rpc.LocalizedMessage}
+   */
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+      // @@protoc_insertion_point(builder_implements:google.rpc.LocalizedMessage)
+      com.google.rpc.LocalizedMessageOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_LocalizedMessage_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
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+    }
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+    // Construct using com.google.rpc.LocalizedMessage.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
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+    private Builder(
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+    public Builder clear() {
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+      locale_ = "";
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+      message_ = "";
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+      return this;
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+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_LocalizedMessage_descriptor;
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+    @java.lang.Override
+    public com.google.rpc.LocalizedMessage getDefaultInstanceForType() {
+      return com.google.rpc.LocalizedMessage.getDefaultInstance();
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+    @java.lang.Override
+    public com.google.rpc.LocalizedMessage build() {
+      com.google.rpc.LocalizedMessage result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
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+      return result;
+    }
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+    @java.lang.Override
+    public com.google.rpc.LocalizedMessage buildPartial() {
+      com.google.rpc.LocalizedMessage result = new com.google.rpc.LocalizedMessage(this);
+      result.locale_ = locale_;
+      result.message_ = message_;
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+    public Builder clone() {
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+    public Builder setField(
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+    public Builder clearField(
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+    @java.lang.Override
+    public Builder clearOneof(
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+    public Builder setRepeatedField(
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+    @java.lang.Override
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+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.rpc.LocalizedMessage) e.getUnfinishedMessage();
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+    /**
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+     * Examples are: "en-US", "fr-CH", "es-MX"
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+    /**
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+     * The locale used following the specification defined at
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+     * Examples are: "en-US", "fr-CH", "es-MX"
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+     * <pre>
+     * The locale used following the specification defined at
+     * http://www.rfc-editor.org/rfc/bcp/bcp47.txt.
+     * Examples are: "en-US", "fr-CH", "es-MX"
+     * </pre>
+     *
+     * <code>string locale = 1;</code>
+     * @param value The locale to set.
+     * @return This builder for chaining.
+     */
+    public Builder setLocale(
+        java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  
+      locale_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The locale used following the specification defined at
+     * http://www.rfc-editor.org/rfc/bcp/bcp47.txt.
+     * Examples are: "en-US", "fr-CH", "es-MX"
+     * </pre>
+     *
+     * <code>string locale = 1;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearLocale() {
+      
+      locale_ = getDefaultInstance().getLocale();
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The locale used following the specification defined at
+     * http://www.rfc-editor.org/rfc/bcp/bcp47.txt.
+     * Examples are: "en-US", "fr-CH", "es-MX"
+     * </pre>
+     *
+     * <code>string locale = 1;</code>
+     * @param value The bytes for locale to set.
+     * @return This builder for chaining.
+     */
+    public Builder setLocaleBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+      
+      locale_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object message_ = "";
+    /**
+     * <pre>
+     * The localized error message in the above locale.
+     * </pre>
+     *
+     * <code>string message = 2;</code>
+     * @return The message.
+     */
+    public java.lang.String getMessage() {
+      java.lang.Object ref = message_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        message_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     * <pre>
+     * The localized error message in the above locale.
+     * </pre>
+     *
+     * <code>string message = 2;</code>
+     * @return The bytes for message.
+     */
+    public com.google.protobuf.ByteString
+        getMessageBytes() {
+      java.lang.Object ref = message_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        message_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     * <pre>
+     * The localized error message in the above locale.
+     * </pre>
+     *
+     * <code>string message = 2;</code>
+     * @param value The message to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMessage(
+        java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  
+      message_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The localized error message in the above locale.
+     * </pre>
+     *
+     * <code>string message = 2;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearMessage() {
+      
+      message_ = getDefaultInstance().getMessage();
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * The localized error message in the above locale.
+     * </pre>
+     *
+     * <code>string message = 2;</code>
+     * @param value The bytes for message to set.
+     * @return This builder for chaining.
+     */
+    public Builder setMessageBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+      
+      message_ = value;
+      onChanged();
+      return this;
+    }
+    @java.lang.Override
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+
+    // @@protoc_insertion_point(builder_scope:google.rpc.LocalizedMessage)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.rpc.LocalizedMessage)
+  private static final com.google.rpc.LocalizedMessage DEFAULT_INSTANCE;
+  static {
+    DEFAULT_INSTANCE = new com.google.rpc.LocalizedMessage();
+  }
+
+  public static com.google.rpc.LocalizedMessage getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<LocalizedMessage>
+      PARSER = new com.google.protobuf.AbstractParser<LocalizedMessage>() {
+    @java.lang.Override
+    public LocalizedMessage parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return new LocalizedMessage(input, extensionRegistry);
+    }
+  };
+
+  public static com.google.protobuf.Parser<LocalizedMessage> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<LocalizedMessage> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.rpc.LocalizedMessage getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+
+}
+

src/main/java/com/google/rpc/LocalizedMessageOrBuilder.java

@@ -0,0 +1,53 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface LocalizedMessageOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.LocalizedMessage)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * The locale used following the specification defined at
+   * http://www.rfc-editor.org/rfc/bcp/bcp47.txt.
+   * Examples are: "en-US", "fr-CH", "es-MX"
+   * </pre>
+   *
+   * <code>string locale = 1;</code>
+   * @return The locale.
+   */
+  java.lang.String getLocale();
+  /**
+   * <pre>
+   * The locale used following the specification defined at
+   * http://www.rfc-editor.org/rfc/bcp/bcp47.txt.
+   * Examples are: "en-US", "fr-CH", "es-MX"
+   * </pre>
+   *
+   * <code>string locale = 1;</code>
+   * @return The bytes for locale.
+   */
+  com.google.protobuf.ByteString
+      getLocaleBytes();
+
+  /**
+   * <pre>
+   * The localized error message in the above locale.
+   * </pre>
+   *
+   * <code>string message = 2;</code>
+   * @return The message.
+   */
+  java.lang.String getMessage();
+  /**
+   * <pre>
+   * The localized error message in the above locale.
+   * </pre>
+   *
+   * <code>string message = 2;</code>
+   * @return The bytes for message.
+   */
+  com.google.protobuf.ByteString
+      getMessageBytes();
+}

src/main/java/com/google/rpc/PreconditionFailureOrBuilder.java

@@ -0,0 +1,53 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface PreconditionFailureOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.PreconditionFailure)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * Describes all precondition violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.PreconditionFailure.Violation violations = 1;</code>
+   */
+  java.util.List<com.google.rpc.PreconditionFailure.Violation> 
+      getViolationsList();
+  /**
+   * <pre>
+   * Describes all precondition violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.PreconditionFailure.Violation violations = 1;</code>
+   */
+  com.google.rpc.PreconditionFailure.Violation getViolations(int index);
+  /**
+   * <pre>
+   * Describes all precondition violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.PreconditionFailure.Violation violations = 1;</code>
+   */
+  int getViolationsCount();
+  /**
+   * <pre>
+   * Describes all precondition violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.PreconditionFailure.Violation violations = 1;</code>
+   */
+  java.util.List<? extends com.google.rpc.PreconditionFailure.ViolationOrBuilder> 
+      getViolationsOrBuilderList();
+  /**
+   * <pre>
+   * Describes all precondition violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.PreconditionFailure.Violation violations = 1;</code>
+   */
+  com.google.rpc.PreconditionFailure.ViolationOrBuilder getViolationsOrBuilder(
+      int index);
+}

src/main/java/com/google/rpc/QuotaFailureOrBuilder.java

@@ -0,0 +1,53 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface QuotaFailureOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.QuotaFailure)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * Describes all quota violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.QuotaFailure.Violation violations = 1;</code>
+   */
+  java.util.List<com.google.rpc.QuotaFailure.Violation> 
+      getViolationsList();
+  /**
+   * <pre>
+   * Describes all quota violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.QuotaFailure.Violation violations = 1;</code>
+   */
+  com.google.rpc.QuotaFailure.Violation getViolations(int index);
+  /**
+   * <pre>
+   * Describes all quota violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.QuotaFailure.Violation violations = 1;</code>
+   */
+  int getViolationsCount();
+  /**
+   * <pre>
+   * Describes all quota violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.QuotaFailure.Violation violations = 1;</code>
+   */
+  java.util.List<? extends com.google.rpc.QuotaFailure.ViolationOrBuilder> 
+      getViolationsOrBuilderList();
+  /**
+   * <pre>
+   * Describes all quota violations.
+   * </pre>
+   *
+   * <code>repeated .google.rpc.QuotaFailure.Violation violations = 1;</code>
+   */
+  com.google.rpc.QuotaFailure.ViolationOrBuilder getViolationsOrBuilder(
+      int index);
+}

src/main/java/com/google/rpc/RequestInfo.java

@@ -0,0 +1,775 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+/**
+ * <pre>
+ * Contains metadata about the request that clients can attach when filing a bug
+ * or providing other forms of feedback.
+ * </pre>
+ *
+ * Protobuf type {@code google.rpc.RequestInfo}
+ */
+public final class RequestInfo extends
+    com.google.protobuf.GeneratedMessageV3 implements
+    // @@protoc_insertion_point(message_implements:google.rpc.RequestInfo)
+    RequestInfoOrBuilder {
+private static final long serialVersionUID = 0L;
+  // Use RequestInfo.newBuilder() to construct.
+  private RequestInfo(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+  private RequestInfo() {
+    requestId_ = "";
+    servingData_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
+    return new RequestInfo();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet
+  getUnknownFields() {
+    return this.unknownFields;
+  }
+  private RequestInfo(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10: {
+            java.lang.String s = input.readStringRequireUtf8();
+
+            requestId_ = s;
+            break;
+          }
+          case 18: {
+            java.lang.String s = input.readStringRequireUtf8();
+
+            servingData_ = s;
+            break;
+          }
+          default: {
+            if (!parseUnknownField(
+                input, unknownFields, extensionRegistry, tag)) {
+              done = true;
+            }
+            break;
+          }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(
+          e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RequestInfo_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RequestInfo_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.rpc.RequestInfo.class, com.google.rpc.RequestInfo.Builder.class);
+  }
+
+  public static final int REQUEST_ID_FIELD_NUMBER = 1;
+  private volatile java.lang.Object requestId_;
+  /**
+   * <pre>
+   * An opaque string that should only be interpreted by the service generating
+   * it. For example, it can be used to identify requests in the service's logs.
+   * </pre>
+   *
+   * <code>string request_id = 1;</code>
+   * @return The requestId.
+   */
+  @java.lang.Override
+  public java.lang.String getRequestId() {
+    java.lang.Object ref = requestId_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      requestId_ = s;
+      return s;
+    }
+  }
+  /**
+   * <pre>
+   * An opaque string that should only be interpreted by the service generating
+   * it. For example, it can be used to identify requests in the service's logs.
+   * </pre>
+   *
+   * <code>string request_id = 1;</code>
+   * @return The bytes for requestId.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString
+      getRequestIdBytes() {
+    java.lang.Object ref = requestId_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
+      requestId_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int SERVING_DATA_FIELD_NUMBER = 2;
+  private volatile java.lang.Object servingData_;
+  /**
+   * <pre>
+   * Any data that was used to serve this request. For example, an encrypted
+   * stack trace that can be sent back to the service provider for debugging.
+   * </pre>
+   *
+   * <code>string serving_data = 2;</code>
+   * @return The servingData.
+   */
+  @java.lang.Override
+  public java.lang.String getServingData() {
+    java.lang.Object ref = servingData_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      servingData_ = s;
+      return s;
+    }
+  }
+  /**
+   * <pre>
+   * Any data that was used to serve this request. For example, an encrypted
+   * stack trace that can be sent back to the service provider for debugging.
+   * </pre>
+   *
+   * <code>string serving_data = 2;</code>
+   * @return The bytes for servingData.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString
+      getServingDataBytes() {
+    java.lang.Object ref = servingData_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
+      servingData_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
+    if (!getRequestIdBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, requestId_);
+    }
+    if (!getServingDataBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, servingData_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getRequestIdBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, requestId_);
+    }
+    if (!getServingDataBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, servingData_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+     return true;
+    }
+    if (!(obj instanceof com.google.rpc.RequestInfo)) {
+      return super.equals(obj);
+    }
+    com.google.rpc.RequestInfo other = (com.google.rpc.RequestInfo) obj;
+
+    if (!getRequestId()
+        .equals(other.getRequestId())) return false;
+    if (!getServingData()
+        .equals(other.getServingData())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + REQUEST_ID_FIELD_NUMBER;
+    hash = (53 * hash) + getRequestId().hashCode();
+    hash = (37 * hash) + SERVING_DATA_FIELD_NUMBER;
+    hash = (53 * hash) + getServingData().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.rpc.RequestInfo parseFrom(
+      java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.rpc.RequestInfo parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.RequestInfo parseDelimitedFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.RequestInfo parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() { return newBuilder(); }
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+  public static Builder newBuilder(com.google.rpc.RequestInfo prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   * <pre>
+   * Contains metadata about the request that clients can attach when filing a bug
+   * or providing other forms of feedback.
+   * </pre>
+   *
+   * Protobuf type {@code google.rpc.RequestInfo}
+   */
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+      // @@protoc_insertion_point(builder_implements:google.rpc.RequestInfo)
+      com.google.rpc.RequestInfoOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RequestInfo_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RequestInfo_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.rpc.RequestInfo.class, com.google.rpc.RequestInfo.Builder.class);
+    }
+
+    // Construct using com.google.rpc.RequestInfo.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3
+              .alwaysUseFieldBuilders) {
+      }
+    }
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      requestId_ = "";
+
+      servingData_ = "";
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RequestInfo_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.rpc.RequestInfo getDefaultInstanceForType() {
+      return com.google.rpc.RequestInfo.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.rpc.RequestInfo build() {
+      com.google.rpc.RequestInfo result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.rpc.RequestInfo buildPartial() {
+      com.google.rpc.RequestInfo result = new com.google.rpc.RequestInfo(this);
+      result.requestId_ = requestId_;
+      result.servingData_ = servingData_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.setField(field, value);
+    }
+    @java.lang.Override
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+    @java.lang.Override
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.rpc.RequestInfo) {
+        return mergeFrom((com.google.rpc.RequestInfo)other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.rpc.RequestInfo other) {
+      if (other == com.google.rpc.RequestInfo.getDefaultInstance()) return this;
+      if (!other.getRequestId().isEmpty()) {
+        requestId_ = other.requestId_;
+        onChanged();
+      }
+      if (!other.getServingData().isEmpty()) {
+        servingData_ = other.servingData_;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.rpc.RequestInfo parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.rpc.RequestInfo) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object requestId_ = "";
+    /**
+     * <pre>
+     * An opaque string that should only be interpreted by the service generating
+     * it. For example, it can be used to identify requests in the service's logs.
+     * </pre>
+     *
+     * <code>string request_id = 1;</code>
+     * @return The requestId.
+     */
+    public java.lang.String getRequestId() {
+      java.lang.Object ref = requestId_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        requestId_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     * <pre>
+     * An opaque string that should only be interpreted by the service generating
+     * it. For example, it can be used to identify requests in the service's logs.
+     * </pre>
+     *
+     * <code>string request_id = 1;</code>
+     * @return The bytes for requestId.
+     */
+    public com.google.protobuf.ByteString
+        getRequestIdBytes() {
+      java.lang.Object ref = requestId_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        requestId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     * <pre>
+     * An opaque string that should only be interpreted by the service generating
+     * it. For example, it can be used to identify requests in the service's logs.
+     * </pre>
+     *
+     * <code>string request_id = 1;</code>
+     * @param value The requestId to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRequestId(
+        java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  
+      requestId_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * An opaque string that should only be interpreted by the service generating
+     * it. For example, it can be used to identify requests in the service's logs.
+     * </pre>
+     *
+     * <code>string request_id = 1;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearRequestId() {
+      
+      requestId_ = getDefaultInstance().getRequestId();
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * An opaque string that should only be interpreted by the service generating
+     * it. For example, it can be used to identify requests in the service's logs.
+     * </pre>
+     *
+     * <code>string request_id = 1;</code>
+     * @param value The bytes for requestId to set.
+     * @return This builder for chaining.
+     */
+    public Builder setRequestIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+      
+      requestId_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object servingData_ = "";
+    /**
+     * <pre>
+     * Any data that was used to serve this request. For example, an encrypted
+     * stack trace that can be sent back to the service provider for debugging.
+     * </pre>
+     *
+     * <code>string serving_data = 2;</code>
+     * @return The servingData.
+     */
+    public java.lang.String getServingData() {
+      java.lang.Object ref = servingData_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        servingData_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     * <pre>
+     * Any data that was used to serve this request. For example, an encrypted
+     * stack trace that can be sent back to the service provider for debugging.
+     * </pre>
+     *
+     * <code>string serving_data = 2;</code>
+     * @return The bytes for servingData.
+     */
+    public com.google.protobuf.ByteString
+        getServingDataBytes() {
+      java.lang.Object ref = servingData_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        servingData_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     * <pre>
+     * Any data that was used to serve this request. For example, an encrypted
+     * stack trace that can be sent back to the service provider for debugging.
+     * </pre>
+     *
+     * <code>string serving_data = 2;</code>
+     * @param value The servingData to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServingData(
+        java.lang.String value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  
+      servingData_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * Any data that was used to serve this request. For example, an encrypted
+     * stack trace that can be sent back to the service provider for debugging.
+     * </pre>
+     *
+     * <code>string serving_data = 2;</code>
+     * @return This builder for chaining.
+     */
+    public Builder clearServingData() {
+      
+      servingData_ = getDefaultInstance().getServingData();
+      onChanged();
+      return this;
+    }
+    /**
+     * <pre>
+     * Any data that was used to serve this request. For example, an encrypted
+     * stack trace that can be sent back to the service provider for debugging.
+     * </pre>
+     *
+     * <code>string serving_data = 2;</code>
+     * @param value The bytes for servingData to set.
+     * @return This builder for chaining.
+     */
+    public Builder setServingDataBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+      
+      servingData_ = value;
+      onChanged();
+      return this;
+    }
+    @java.lang.Override
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+
+    // @@protoc_insertion_point(builder_scope:google.rpc.RequestInfo)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.rpc.RequestInfo)
+  private static final com.google.rpc.RequestInfo DEFAULT_INSTANCE;
+  static {
+    DEFAULT_INSTANCE = new com.google.rpc.RequestInfo();
+  }
+
+  public static com.google.rpc.RequestInfo getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RequestInfo>
+      PARSER = new com.google.protobuf.AbstractParser<RequestInfo>() {
+    @java.lang.Override
+    public RequestInfo parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return new RequestInfo(input, extensionRegistry);
+    }
+  };
+
+  public static com.google.protobuf.Parser<RequestInfo> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RequestInfo> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.rpc.RequestInfo getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+
+}
+

src/main/java/com/google/rpc/RequestInfoOrBuilder.java

@@ -0,0 +1,53 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface RequestInfoOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.RequestInfo)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * An opaque string that should only be interpreted by the service generating
+   * it. For example, it can be used to identify requests in the service's logs.
+   * </pre>
+   *
+   * <code>string request_id = 1;</code>
+   * @return The requestId.
+   */
+  java.lang.String getRequestId();
+  /**
+   * <pre>
+   * An opaque string that should only be interpreted by the service generating
+   * it. For example, it can be used to identify requests in the service's logs.
+   * </pre>
+   *
+   * <code>string request_id = 1;</code>
+   * @return The bytes for requestId.
+   */
+  com.google.protobuf.ByteString
+      getRequestIdBytes();
+
+  /**
+   * <pre>
+   * Any data that was used to serve this request. For example, an encrypted
+   * stack trace that can be sent back to the service provider for debugging.
+   * </pre>
+   *
+   * <code>string serving_data = 2;</code>
+   * @return The servingData.
+   */
+  java.lang.String getServingData();
+  /**
+   * <pre>
+   * Any data that was used to serve this request. For example, an encrypted
+   * stack trace that can be sent back to the service provider for debugging.
+   * </pre>
+   *
+   * <code>string serving_data = 2;</code>
+   * @return The bytes for servingData.
+   */
+  com.google.protobuf.ByteString
+      getServingDataBytes();
+}

src/main/java/com/google/rpc/ResourceInfoOrBuilder.java

@@ -0,0 +1,105 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface ResourceInfoOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.ResourceInfo)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * A name for the type of resource being accessed, e.g. "sql table",
+   * "cloud storage bucket", "file", "Google calendar"; or the type URL
+   * of the resource: e.g. "type.googleapis.com/google.pubsub.v1.Topic".
+   * </pre>
+   *
+   * <code>string resource_type = 1;</code>
+   * @return The resourceType.
+   */
+  java.lang.String getResourceType();
+  /**
+   * <pre>
+   * A name for the type of resource being accessed, e.g. "sql table",
+   * "cloud storage bucket", "file", "Google calendar"; or the type URL
+   * of the resource: e.g. "type.googleapis.com/google.pubsub.v1.Topic".
+   * </pre>
+   *
+   * <code>string resource_type = 1;</code>
+   * @return The bytes for resourceType.
+   */
+  com.google.protobuf.ByteString
+      getResourceTypeBytes();
+
+  /**
+   * <pre>
+   * The name of the resource being accessed.  For example, a shared calendar
+   * name: "example.com_4fghdhgsrgh&#64;group.calendar.google.com", if the current
+   * error is [google.rpc.Code.PERMISSION_DENIED][google.rpc.Code.PERMISSION_DENIED].
+   * </pre>
+   *
+   * <code>string resource_name = 2;</code>
+   * @return The resourceName.
+   */
+  java.lang.String getResourceName();
+  /**
+   * <pre>
+   * The name of the resource being accessed.  For example, a shared calendar
+   * name: "example.com_4fghdhgsrgh&#64;group.calendar.google.com", if the current
+   * error is [google.rpc.Code.PERMISSION_DENIED][google.rpc.Code.PERMISSION_DENIED].
+   * </pre>
+   *
+   * <code>string resource_name = 2;</code>
+   * @return The bytes for resourceName.
+   */
+  com.google.protobuf.ByteString
+      getResourceNameBytes();
+
+  /**
+   * <pre>
+   * The owner of the resource (optional).
+   * For example, "user:&lt;owner email&gt;" or "project:&lt;Google developer project
+   * id&gt;".
+   * </pre>
+   *
+   * <code>string owner = 3;</code>
+   * @return The owner.
+   */
+  java.lang.String getOwner();
+  /**
+   * <pre>
+   * The owner of the resource (optional).
+   * For example, "user:&lt;owner email&gt;" or "project:&lt;Google developer project
+   * id&gt;".
+   * </pre>
+   *
+   * <code>string owner = 3;</code>
+   * @return The bytes for owner.
+   */
+  com.google.protobuf.ByteString
+      getOwnerBytes();
+
+  /**
+   * <pre>
+   * Describes what error is encountered when accessing this resource.
+   * For example, updating a cloud project may require the `writer` permission
+   * on the developer console project.
+   * </pre>
+   *
+   * <code>string description = 4;</code>
+   * @return The description.
+   */
+  java.lang.String getDescription();
+  /**
+   * <pre>
+   * Describes what error is encountered when accessing this resource.
+   * For example, updating a cloud project may require the `writer` permission
+   * on the developer console project.
+   * </pre>
+   *
+   * <code>string description = 4;</code>
+   * @return The bytes for description.
+   */
+  com.google.protobuf.ByteString
+      getDescriptionBytes();
+}

src/main/java/com/google/rpc/RetryInfo.java

@@ -0,0 +1,683 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+/**
+ * <pre>
+ * Describes when the clients can retry a failed request. Clients could ignore
+ * the recommendation here or retry when this information is missing from error
+ * responses.
+ * It's always recommended that clients should use exponential backoff when
+ * retrying.
+ * Clients should wait until `retry_delay` amount of time has passed since
+ * receiving the error response before retrying.  If retrying requests also
+ * fail, clients should use an exponential backoff scheme to gradually increase
+ * the delay between retries based on `retry_delay`, until either a maximum
+ * number of retires have been reached or a maximum retry delay cap has been
+ * reached.
+ * </pre>
+ *
+ * Protobuf type {@code google.rpc.RetryInfo}
+ */
+public final class RetryInfo extends
+    com.google.protobuf.GeneratedMessageV3 implements
+    // @@protoc_insertion_point(message_implements:google.rpc.RetryInfo)
+    RetryInfoOrBuilder {
+private static final long serialVersionUID = 0L;
+  // Use RetryInfo.newBuilder() to construct.
+  private RetryInfo(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+  private RetryInfo() {
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
+    return new RetryInfo();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet
+  getUnknownFields() {
+    return this.unknownFields;
+  }
+  private RetryInfo(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10: {
+            com.google.protobuf.Duration.Builder subBuilder = null;
+            if (retryDelay_ != null) {
+              subBuilder = retryDelay_.toBuilder();
+            }
+            retryDelay_ = input.readMessage(com.google.protobuf.Duration.parser(), extensionRegistry);
+            if (subBuilder != null) {
+              subBuilder.mergeFrom(retryDelay_);
+              retryDelay_ = subBuilder.buildPartial();
+            }
+
+            break;
+          }
+          default: {
+            if (!parseUnknownField(
+                input, unknownFields, extensionRegistry, tag)) {
+              done = true;
+            }
+            break;
+          }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(
+          e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RetryInfo_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RetryInfo_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.rpc.RetryInfo.class, com.google.rpc.RetryInfo.Builder.class);
+  }
+
+  public static final int RETRY_DELAY_FIELD_NUMBER = 1;
+  private com.google.protobuf.Duration retryDelay_;
+  /**
+   * <pre>
+   * Clients should wait at least this long between retrying the same request.
+   * </pre>
+   *
+   * <code>.google.protobuf.Duration retry_delay = 1;</code>
+   * @return Whether the retryDelay field is set.
+   */
+  @java.lang.Override
+  public boolean hasRetryDelay() {
+    return retryDelay_ != null;
+  }
+  /**
+   * <pre>
+   * Clients should wait at least this long between retrying the same request.
+   * </pre>
+   *
+   * <code>.google.protobuf.Duration retry_delay = 1;</code>
+   * @return The retryDelay.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Duration getRetryDelay() {
+    return retryDelay_ == null ? com.google.protobuf.Duration.getDefaultInstance() : retryDelay_;
+  }
+  /**
+   * <pre>
+   * Clients should wait at least this long between retrying the same request.
+   * </pre>
+   *
+   * <code>.google.protobuf.Duration retry_delay = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.protobuf.DurationOrBuilder getRetryDelayOrBuilder() {
+    return getRetryDelay();
+  }
+
+  private byte memoizedIsInitialized = -1;
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
+    if (retryDelay_ != null) {
+      output.writeMessage(1, getRetryDelay());
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (retryDelay_ != null) {
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, getRetryDelay());
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+     return true;
+    }
+    if (!(obj instanceof com.google.rpc.RetryInfo)) {
+      return super.equals(obj);
+    }
+    com.google.rpc.RetryInfo other = (com.google.rpc.RetryInfo) obj;
+
+    if (hasRetryDelay() != other.hasRetryDelay()) return false;
+    if (hasRetryDelay()) {
+      if (!getRetryDelay()
+          .equals(other.getRetryDelay())) return false;
+    }
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasRetryDelay()) {
+      hash = (37 * hash) + RETRY_DELAY_FIELD_NUMBER;
+      hash = (53 * hash) + getRetryDelay().hashCode();
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.rpc.RetryInfo parseFrom(
+      java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.rpc.RetryInfo parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.RetryInfo parseDelimitedFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.rpc.RetryInfo parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() { return newBuilder(); }
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+  public static Builder newBuilder(com.google.rpc.RetryInfo prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   * <pre>
+   * Describes when the clients can retry a failed request. Clients could ignore
+   * the recommendation here or retry when this information is missing from error
+   * responses.
+   * It's always recommended that clients should use exponential backoff when
+   * retrying.
+   * Clients should wait until `retry_delay` amount of time has passed since
+   * receiving the error response before retrying.  If retrying requests also
+   * fail, clients should use an exponential backoff scheme to gradually increase
+   * the delay between retries based on `retry_delay`, until either a maximum
+   * number of retires have been reached or a maximum retry delay cap has been
+   * reached.
+   * </pre>
+   *
+   * Protobuf type {@code google.rpc.RetryInfo}
+   */
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+      // @@protoc_insertion_point(builder_implements:google.rpc.RetryInfo)
+      com.google.rpc.RetryInfoOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RetryInfo_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RetryInfo_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.rpc.RetryInfo.class, com.google.rpc.RetryInfo.Builder.class);
+    }
+
+    // Construct using com.google.rpc.RetryInfo.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3
+              .alwaysUseFieldBuilders) {
+      }
+    }
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      if (retryDelayBuilder_ == null) {
+        retryDelay_ = null;
+      } else {
+        retryDelay_ = null;
+        retryDelayBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.rpc.ErrorDetailsProto.internal_static_google_rpc_RetryInfo_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.rpc.RetryInfo getDefaultInstanceForType() {
+      return com.google.rpc.RetryInfo.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.rpc.RetryInfo build() {
+      com.google.rpc.RetryInfo result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.rpc.RetryInfo buildPartial() {
+      com.google.rpc.RetryInfo result = new com.google.rpc.RetryInfo(this);
+      if (retryDelayBuilder_ == null) {
+        result.retryDelay_ = retryDelay_;
+      } else {
+        result.retryDelay_ = retryDelayBuilder_.build();
+      }
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.setField(field, value);
+    }
+    @java.lang.Override
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+    @java.lang.Override
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.rpc.RetryInfo) {
+        return mergeFrom((com.google.rpc.RetryInfo)other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.rpc.RetryInfo other) {
+      if (other == com.google.rpc.RetryInfo.getDefaultInstance()) return this;
+      if (other.hasRetryDelay()) {
+        mergeRetryDelay(other.getRetryDelay());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.rpc.RetryInfo parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.rpc.RetryInfo) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private com.google.protobuf.Duration retryDelay_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> retryDelayBuilder_;
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     * @return Whether the retryDelay field is set.
+     */
+    public boolean hasRetryDelay() {
+      return retryDelayBuilder_ != null || retryDelay_ != null;
+    }
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     * @return The retryDelay.
+     */
+    public com.google.protobuf.Duration getRetryDelay() {
+      if (retryDelayBuilder_ == null) {
+        return retryDelay_ == null ? com.google.protobuf.Duration.getDefaultInstance() : retryDelay_;
+      } else {
+        return retryDelayBuilder_.getMessage();
+      }
+    }
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     */
+    public Builder setRetryDelay(com.google.protobuf.Duration value) {
+      if (retryDelayBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        retryDelay_ = value;
+        onChanged();
+      } else {
+        retryDelayBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     */
+    public Builder setRetryDelay(
+        com.google.protobuf.Duration.Builder builderForValue) {
+      if (retryDelayBuilder_ == null) {
+        retryDelay_ = builderForValue.build();
+        onChanged();
+      } else {
+        retryDelayBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     */
+    public Builder mergeRetryDelay(com.google.protobuf.Duration value) {
+      if (retryDelayBuilder_ == null) {
+        if (retryDelay_ != null) {
+          retryDelay_ =
+            com.google.protobuf.Duration.newBuilder(retryDelay_).mergeFrom(value).buildPartial();
+        } else {
+          retryDelay_ = value;
+        }
+        onChanged();
+      } else {
+        retryDelayBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     */
+    public Builder clearRetryDelay() {
+      if (retryDelayBuilder_ == null) {
+        retryDelay_ = null;
+        onChanged();
+      } else {
+        retryDelay_ = null;
+        retryDelayBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     */
+    public com.google.protobuf.Duration.Builder getRetryDelayBuilder() {
+      
+      onChanged();
+      return getRetryDelayFieldBuilder().getBuilder();
+    }
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     */
+    public com.google.protobuf.DurationOrBuilder getRetryDelayOrBuilder() {
+      if (retryDelayBuilder_ != null) {
+        return retryDelayBuilder_.getMessageOrBuilder();
+      } else {
+        return retryDelay_ == null ?
+            com.google.protobuf.Duration.getDefaultInstance() : retryDelay_;
+      }
+    }
+    /**
+     * <pre>
+     * Clients should wait at least this long between retrying the same request.
+     * </pre>
+     *
+     * <code>.google.protobuf.Duration retry_delay = 1;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
+        getRetryDelayFieldBuilder() {
+      if (retryDelayBuilder_ == null) {
+        retryDelayBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
+                getRetryDelay(),
+                getParentForChildren(),
+                isClean());
+        retryDelay_ = null;
+      }
+      return retryDelayBuilder_;
+    }
+    @java.lang.Override
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+
+    // @@protoc_insertion_point(builder_scope:google.rpc.RetryInfo)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.rpc.RetryInfo)
+  private static final com.google.rpc.RetryInfo DEFAULT_INSTANCE;
+  static {
+    DEFAULT_INSTANCE = new com.google.rpc.RetryInfo();
+  }
+
+  public static com.google.rpc.RetryInfo getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<RetryInfo>
+      PARSER = new com.google.protobuf.AbstractParser<RetryInfo>() {
+    @java.lang.Override
+    public RetryInfo parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return new RetryInfo(input, extensionRegistry);
+    }
+  };
+
+  public static com.google.protobuf.Parser<RetryInfo> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<RetryInfo> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.rpc.RetryInfo getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+
+}
+

src/main/java/com/google/rpc/RetryInfoOrBuilder.java

@@ -0,0 +1,36 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/error_details.proto
+
+package com.google.rpc;
+
+public interface RetryInfoOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.RetryInfo)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * Clients should wait at least this long between retrying the same request.
+   * </pre>
+   *
+   * <code>.google.protobuf.Duration retry_delay = 1;</code>
+   * @return Whether the retryDelay field is set.
+   */
+  boolean hasRetryDelay();
+  /**
+   * <pre>
+   * Clients should wait at least this long between retrying the same request.
+   * </pre>
+   *
+   * <code>.google.protobuf.Duration retry_delay = 1;</code>
+   * @return The retryDelay.
+   */
+  com.google.protobuf.Duration getRetryDelay();
+  /**
+   * <pre>
+   * Clients should wait at least this long between retrying the same request.
+   * </pre>
+   *
+   * <code>.google.protobuf.Duration retry_delay = 1;</code>
+   */
+  com.google.protobuf.DurationOrBuilder getRetryDelayOrBuilder();
+}

src/main/java/com/google/rpc/StatusOrBuilder.java

@@ -0,0 +1,92 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/status.proto
+
+package com.google.rpc;
+
+public interface StatusOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.rpc.Status)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * <pre>
+   * The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code].
+   * </pre>
+   *
+   * <code>int32 code = 1;</code>
+   * @return The code.
+   */
+  int getCode();
+
+  /**
+   * <pre>
+   * A developer-facing error message, which should be in English. Any
+   * user-facing error message should be localized and sent in the
+   * [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client.
+   * </pre>
+   *
+   * <code>string message = 2;</code>
+   * @return The message.
+   */
+  java.lang.String getMessage();
+  /**
+   * <pre>
+   * A developer-facing error message, which should be in English. Any
+   * user-facing error message should be localized and sent in the
+   * [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client.
+   * </pre>
+   *
+   * <code>string message = 2;</code>
+   * @return The bytes for message.
+   */
+  com.google.protobuf.ByteString
+      getMessageBytes();
+
+  /**
+   * <pre>
+   * A list of messages that carry the error details.  There is a common set of
+   * message types for APIs to use.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any details = 3;</code>
+   */
+  java.util.List<com.google.protobuf.Any> 
+      getDetailsList();
+  /**
+   * <pre>
+   * A list of messages that carry the error details.  There is a common set of
+   * message types for APIs to use.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any details = 3;</code>
+   */
+  com.google.protobuf.Any getDetails(int index);
+  /**
+   * <pre>
+   * A list of messages that carry the error details.  There is a common set of
+   * message types for APIs to use.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any details = 3;</code>
+   */
+  int getDetailsCount();
+  /**
+   * <pre>
+   * A list of messages that carry the error details.  There is a common set of
+   * message types for APIs to use.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any details = 3;</code>
+   */
+  java.util.List<? extends com.google.protobuf.AnyOrBuilder> 
+      getDetailsOrBuilderList();
+  /**
+   * <pre>
+   * A list of messages that carry the error details.  There is a common set of
+   * message types for APIs to use.
+   * </pre>
+   *
+   * <code>repeated .google.protobuf.Any details = 3;</code>
+   */
+  com.google.protobuf.AnyOrBuilder getDetailsOrBuilder(
+      int index);
+}

src/main/java/com/google/rpc/StatusProto.java

@@ -0,0 +1,54 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/rpc/status.proto
+
+package com.google.rpc;
+
+public final class StatusProto {
+  private StatusProto() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_rpc_Status_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_rpc_Status_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\027google/rpc/status.proto\022\ngoogle.rpc\032\031g" +
+      "oogle/protobuf/any.proto\"N\n\006Status\022\014\n\004co" +
+      "de\030\001 \001(\005\022\017\n\007message\030\002 \001(\t\022%\n\007details\030\003 \003" +
+      "(\0132\024.google.protobuf.AnyB^\n\016com.google.r" +
+      "pcB\013StatusProtoP\001Z7google.golang.org/gen" +
+      "proto/googleapis/rpc/status;status\242\002\003RPC" +
+      "b\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+          com.google.protobuf.AnyProto.getDescriptor(),
+        });
+    internal_static_google_rpc_Status_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_google_rpc_Status_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_rpc_Status_descriptor,
+        new java.lang.String[] { "Code", "Message", "Details", });
+    com.google.protobuf.AnyProto.getDescriptor();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

src/main/java/org/bdware/bdledger/api/grpc/pb/CommonProto.java

@@ -1956,7 +1956,7 @@ public final class CommonProto {
 
     /**
      * <pre>
-     * 20字节的交易哈希的数组，或为空
+     * 20字节的事务哈希的数组，或为空
      * </pre>
      *
      * <code>repeated bytes transaction_hashes = 11;</code>
@@ -1965,7 +1965,7 @@ public final class CommonProto {
     java.util.List<com.google.protobuf.ByteString> getTransactionHashesList();
     /**
      * <pre>
-     * 20字节的交易哈希的数组，或为空
+     * 20字节的事务哈希的数组，或为空
      * </pre>
      *
      * <code>repeated bytes transaction_hashes = 11;</code>
@@ -1974,7 +1974,7 @@ public final class CommonProto {
     int getTransactionHashesCount();
     /**
      * <pre>
-     * 20字节的交易哈希的数组，或为空
+     * 20字节的事务哈希的数组，或为空
      * </pre>
      *
      * <code>repeated bytes transaction_hashes = 11;</code>
@@ -1982,6 +1982,45 @@ public final class CommonProto {
      * @return The transactionHashes at the given index.
      */
     com.google.protobuf.ByteString getTransactionHashes(int index);
+
+    /**
+     * <pre>
+     * 产块者签名
+     * </pre>
+     *
+     * <code>bytes creator_signature = 12;</code>
+     * @return The creatorSignature.
+     */
+    com.google.protobuf.ByteString getCreatorSignature();
+
+    /**
+     * <pre>
+     * 见证者签名
+     * </pre>
+     *
+     * <code>repeated bytes witness_signatures = 13;</code>
+     * @return A list containing the witnessSignatures.
+     */
+    java.util.List<com.google.protobuf.ByteString> getWitnessSignaturesList();
+    /**
+     * <pre>
+     * 见证者签名
+     * </pre>
+     *
+     * <code>repeated bytes witness_signatures = 13;</code>
+     * @return The count of witnessSignatures.
+     */
+    int getWitnessSignaturesCount();
+    /**
+     * <pre>
+     * 见证者签名
+     * </pre>
+     *
+     * <code>repeated bytes witness_signatures = 13;</code>
+     * @param index The index of the element to return.
+     * @return The witnessSignatures at the given index.
+     */
+    com.google.protobuf.ByteString getWitnessSignatures(int index);
   }
   /**
    * Protobuf type {@code bdware.bdledger.api.Block}
@@ -2003,6 +2042,8 @@ public final class CommonProto {
       transactionsRoot_ = com.google.protobuf.ByteString.EMPTY;
       transactions_ = java.util.Collections.emptyList();
       transactionHashes_ = java.util.Collections.emptyList();
+      creatorSignature_ = com.google.protobuf.ByteString.EMPTY;
+      witnessSignatures_ = java.util.Collections.emptyList();
     }
 
     @java.lang.Override
@@ -2104,6 +2145,19 @@ public final class CommonProto {
               transactionHashes_.add(input.readBytes());
               break;
             }
+            case 98: {
+
+              creatorSignature_ = input.readBytes();
+              break;
+            }
+            case 106: {
+              if (!((mutable_bitField0_ & 0x00000010) != 0)) {
+                witnessSignatures_ = new java.util.ArrayList<com.google.protobuf.ByteString>();
+                mutable_bitField0_ |= 0x00000010;
+              }
+              witnessSignatures_.add(input.readBytes());
+              break;
+            }
             default: {
               if (!parseUnknownField(
                   input, unknownFields, extensionRegistry, tag)) {
@@ -2131,6 +2185,9 @@ public final class CommonProto {
         if (((mutable_bitField0_ & 0x00000008) != 0)) {
           transactionHashes_ = java.util.Collections.unmodifiableList(transactionHashes_); // C
         }
+        if (((mutable_bitField0_ & 0x00000010) != 0)) {
+          witnessSignatures_ = java.util.Collections.unmodifiableList(witnessSignatures_); // C
+        }
         this.unknownFields = unknownFields.build();
         makeExtensionsImmutable();
       }
@@ -2395,7 +2452,7 @@ public final class CommonProto {
     private java.util.List<com.google.protobuf.ByteString> transactionHashes_;
     /**
      * <pre>
-     * 20字节的交易哈希的数组，或为空
+     * 20字节的事务哈希的数组，或为空
      * </pre>
      *
      * <code>repeated bytes transaction_hashes = 11;</code>
@@ -2408,7 +2465,7 @@ public final class CommonProto {
     }
     /**
      * <pre>
-     * 20字节的交易哈希的数组，或为空
+     * 20字节的事务哈希的数组，或为空
      * </pre>
      *
      * <code>repeated bytes transaction_hashes = 11;</code>
@@ -2419,7 +2476,7 @@ public final class CommonProto {
     }
     /**
      * <pre>
-     * 20字节的交易哈希的数组，或为空
+     * 20字节的事务哈希的数组，或为空
      * </pre>
      *
      * <code>repeated bytes transaction_hashes = 11;</code>
@@ -2430,6 +2487,60 @@ public final class CommonProto {
       return transactionHashes_.get(index);
     }
 
+    public static final int CREATOR_SIGNATURE_FIELD_NUMBER = 12;
+    private com.google.protobuf.ByteString creatorSignature_;
+    /**
+     * <pre>
+     * 产块者签名
+     * </pre>
+     *
+     * <code>bytes creator_signature = 12;</code>
+     * @return The creatorSignature.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getCreatorSignature() {
+      return creatorSignature_;
+    }
+
+    public static final int WITNESS_SIGNATURES_FIELD_NUMBER = 13;
+    private java.util.List<com.google.protobuf.ByteString> witnessSignatures_;
+    /**
+     * <pre>
+     * 见证者签名
+     * </pre>
+     *
+     * <code>repeated bytes witness_signatures = 13;</code>
+     * @return A list containing the witnessSignatures.
+     */
+    @java.lang.Override
+    public java.util.List<com.google.protobuf.ByteString>
+        getWitnessSignaturesList() {
+      return witnessSignatures_;
+    }
+    /**
+     * <pre>
+     * 见证者签名
+     * </pre>
+     *
+     * <code>repeated bytes witness_signatures = 13;</code>
+     * @return The count of witnessSignatures.
+     */
+    public int getWitnessSignaturesCount() {
+      return witnessSignatures_.size();
+    }
+    /**
+     * <pre>
+     * 见证者签名
+     * </pre>
+     *
+     * <code>repeated bytes witness_signatures = 13;</code>
+     * @param index The index of the element to return.
+     * @return The witnessSignatures at the given index.
+     */
+    public com.google.protobuf.ByteString getWitnessSignatures(int index) {
+      return witnessSignatures_.get(index);
+    }
+
     private byte memoizedIsInitialized = -1;
     @java.lang.Override
     public final boolean isInitialized() {
@@ -2477,6 +2588,12 @@ public final class CommonProto {
       for (int i = 0; i < transactionHashes_.size(); i++) {
         output.writeBytes(11, transactionHashes_.get(i));
       }
+      if (!creatorSignature_.isEmpty()) {
+        output.writeBytes(12, creatorSignature_);
+      }
+      for (int i = 0; i < witnessSignatures_.size(); i++) {
+        output.writeBytes(13, witnessSignatures_.get(i));
+      }
       unknownFields.writeTo(output);
     }
 
@@ -2545,6 +2662,19 @@ public final class CommonProto {
         size += dataSize;
         size += 1 * getTransactionHashesList().size();
       }
+      if (!creatorSignature_.isEmpty()) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(12, creatorSignature_);
+      }
+      {
+        int dataSize = 0;
+        for (int i = 0; i < witnessSignatures_.size(); i++) {
+          dataSize += com.google.protobuf.CodedOutputStream
+            .computeBytesSizeNoTag(witnessSignatures_.get(i));
+        }
+        size += dataSize;
+        size += 1 * getWitnessSignaturesList().size();
+      }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
       return size;
@@ -2582,6 +2712,10 @@ public final class CommonProto {
           .equals(other.getTransactionsList())) return false;
       if (!getTransactionHashesList()
           .equals(other.getTransactionHashesList())) return false;
+      if (!getCreatorSignature()
+          .equals(other.getCreatorSignature())) return false;
+      if (!getWitnessSignaturesList()
+          .equals(other.getWitnessSignaturesList())) return false;
       if (!unknownFields.equals(other.unknownFields)) return false;
       return true;
     }
@@ -2626,6 +2760,12 @@ public final class CommonProto {
         hash = (37 * hash) + TRANSACTION_HASHES_FIELD_NUMBER;
         hash = (53 * hash) + getTransactionHashesList().hashCode();
       }
+      hash = (37 * hash) + CREATOR_SIGNATURE_FIELD_NUMBER;
+      hash = (53 * hash) + getCreatorSignature().hashCode();
+      if (getWitnessSignaturesCount() > 0) {
+        hash = (37 * hash) + WITNESS_SIGNATURES_FIELD_NUMBER;
+        hash = (53 * hash) + getWitnessSignaturesList().hashCode();
+      }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -2786,6 +2926,10 @@ public final class CommonProto {
         }
         transactionHashes_ = java.util.Collections.emptyList();
         bitField0_ = (bitField0_ & ~0x00000008);
+        creatorSignature_ = com.google.protobuf.ByteString.EMPTY;
+
+        witnessSignatures_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000010);
         return this;
       }
 
@@ -2844,6 +2988,12 @@ public final class CommonProto {
           bitField0_ = (bitField0_ & ~0x00000008);
         }
         result.transactionHashes_ = transactionHashes_;
+        result.creatorSignature_ = creatorSignature_;
+        if (((bitField0_ & 0x00000010) != 0)) {
+          witnessSignatures_ = java.util.Collections.unmodifiableList(witnessSignatures_);
+          bitField0_ = (bitField0_ & ~0x00000010);
+        }
+        result.witnessSignatures_ = witnessSignatures_;
         onBuilt();
         return result;
       }
@@ -2969,6 +3119,19 @@ public final class CommonProto {
           }
           onChanged();
         }
+        if (other.getCreatorSignature() != com.google.protobuf.ByteString.EMPTY) {
+          setCreatorSignature(other.getCreatorSignature());
+        }
+        if (!other.witnessSignatures_.isEmpty()) {
+          if (witnessSignatures_.isEmpty()) {
+            witnessSignatures_ = other.witnessSignatures_;
+            bitField0_ = (bitField0_ & ~0x00000010);
+          } else {
+            ensureWitnessSignaturesIsMutable();
+            witnessSignatures_.addAll(other.witnessSignatures_);
+          }
+          onChanged();
+        }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
         return this;
@@ -3856,7 +4019,7 @@ public final class CommonProto {
       }
       /**
        * <pre>
-       * 20字节的交易哈希的数组，或为空
+       * 20字节的事务哈希的数组，或为空
        * </pre>
        *
        * <code>repeated bytes transaction_hashes = 11;</code>
@@ -3869,7 +4032,7 @@ public final class CommonProto {
       }
       /**
        * <pre>
-       * 20字节的交易哈希的数组，或为空
+       * 20字节的事务哈希的数组，或为空
        * </pre>
        *
        * <code>repeated bytes transaction_hashes = 11;</code>
@@ -3880,7 +4043,7 @@ public final class CommonProto {
       }
       /**
        * <pre>
-       * 20字节的交易哈希的数组，或为空
+       * 20字节的事务哈希的数组，或为空
        * </pre>
        *
        * <code>repeated bytes transaction_hashes = 11;</code>
@@ -3892,7 +4055,7 @@ public final class CommonProto {
       }
       /**
        * <pre>
-       * 20字节的交易哈希的数组，或为空
+       * 20字节的事务哈希的数组，或为空
        * </pre>
        *
        * <code>repeated bytes transaction_hashes = 11;</code>
@@ -3912,7 +4075,7 @@ public final class CommonProto {
       }
       /**
        * <pre>
-       * 20字节的交易哈希的数组，或为空
+       * 20字节的事务哈希的数组，或为空
        * </pre>
        *
        * <code>repeated bytes transaction_hashes = 11;</code>
@@ -3930,7 +4093,7 @@ public final class CommonProto {
       }
       /**
        * <pre>
-       * 20字节的交易哈希的数组，或为空
+       * 20字节的事务哈希的数组，或为空
        * </pre>
        *
        * <code>repeated bytes transaction_hashes = 11;</code>
@@ -3947,7 +4110,7 @@ public final class CommonProto {
       }
       /**
        * <pre>
-       * 20字节的交易哈希的数组，或为空
+       * 20字节的事务哈希的数组，或为空
        * </pre>
        *
        * <code>repeated bytes transaction_hashes = 11;</code>
@@ -3959,6 +4122,165 @@ public final class CommonProto {
         onChanged();
         return this;
       }
+
+      private com.google.protobuf.ByteString creatorSignature_ = com.google.protobuf.ByteString.EMPTY;
+      /**
+       * <pre>
+       * 产块者签名
+       * </pre>
+       *
+       * <code>bytes creator_signature = 12;</code>
+       * @return The creatorSignature.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getCreatorSignature() {
+        return creatorSignature_;
+      }
+      /**
+       * <pre>
+       * 产块者签名
+       * </pre>
+       *
+       * <code>bytes creator_signature = 12;</code>
+       * @param value The creatorSignature to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCreatorSignature(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        creatorSignature_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * 产块者签名
+       * </pre>
+       *
+       * <code>bytes creator_signature = 12;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearCreatorSignature() {
+        
+        creatorSignature_ = getDefaultInstance().getCreatorSignature();
+        onChanged();
+        return this;
+      }
+
+      private java.util.List<com.google.protobuf.ByteString> witnessSignatures_ = java.util.Collections.emptyList();
+      private void ensureWitnessSignaturesIsMutable() {
+        if (!((bitField0_ & 0x00000010) != 0)) {
+          witnessSignatures_ = new java.util.ArrayList<com.google.protobuf.ByteString>(witnessSignatures_);
+          bitField0_ |= 0x00000010;
+         }
+      }
+      /**
+       * <pre>
+       * 见证者签名
+       * </pre>
+       *
+       * <code>repeated bytes witness_signatures = 13;</code>
+       * @return A list containing the witnessSignatures.
+       */
+      public java.util.List<com.google.protobuf.ByteString>
+          getWitnessSignaturesList() {
+        return ((bitField0_ & 0x00000010) != 0) ?
+                 java.util.Collections.unmodifiableList(witnessSignatures_) : witnessSignatures_;
+      }
+      /**
+       * <pre>
+       * 见证者签名
+       * </pre>
+       *
+       * <code>repeated bytes witness_signatures = 13;</code>
+       * @return The count of witnessSignatures.
+       */
+      public int getWitnessSignaturesCount() {
+        return witnessSignatures_.size();
+      }
+      /**
+       * <pre>
+       * 见证者签名
+       * </pre>
+       *
+       * <code>repeated bytes witness_signatures = 13;</code>
+       * @param index The index of the element to return.
+       * @return The witnessSignatures at the given index.
+       */
+      public com.google.protobuf.ByteString getWitnessSignatures(int index) {
+        return witnessSignatures_.get(index);
+      }
+      /**
+       * <pre>
+       * 见证者签名
+       * </pre>
+       *
+       * <code>repeated bytes witness_signatures = 13;</code>
+       * @param index The index to set the value at.
+       * @param value The witnessSignatures to set.
+       * @return This builder for chaining.
+       */
+      public Builder setWitnessSignatures(
+          int index, com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  ensureWitnessSignaturesIsMutable();
+        witnessSignatures_.set(index, value);
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * 见证者签名
+       * </pre>
+       *
+       * <code>repeated bytes witness_signatures = 13;</code>
+       * @param value The witnessSignatures to add.
+       * @return This builder for chaining.
+       */
+      public Builder addWitnessSignatures(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  ensureWitnessSignaturesIsMutable();
+        witnessSignatures_.add(value);
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * 见证者签名
+       * </pre>
+       *
+       * <code>repeated bytes witness_signatures = 13;</code>
+       * @param values The witnessSignatures to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllWitnessSignatures(
+          java.lang.Iterable<? extends com.google.protobuf.ByteString> values) {
+        ensureWitnessSignaturesIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, witnessSignatures_);
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * 见证者签名
+       * </pre>
+       *
+       * <code>repeated bytes witness_signatures = 13;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearWitnessSignatures() {
+        witnessSignatures_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000010);
+        onChanged();
+        return this;
+      }
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -5304,26 +5626,28 @@ public final class CommonProto {
       "$.bdware.bdledger.api.TransactionType\022\014\n" +
       "\004from\030\006 \001(\014\022\r\n\005nonce\030\007 \001(\004\022\n\n\002to\030\010 \001(\014\022\014" +
       "\n\004data\030\t \001(\014\022\t\n\001v\030\n \001(\014\022\t\n\001r\030\013 \001(\014\022\t\n\001s\030" +
-      "\014 \001(\014\"\212\002\n\005Block\022\014\n\004hash\030\001 \001(\014\022\017\n\007creator" +
+      "\014 \001(\014\"\301\002\n\005Block\022\014\n\004hash\030\001 \001(\014\022\017\n\007creator" +
       "\030\002 \001(\014\022\r\n\005nonce\030\003 \001(\004\022\025\n\rparent_hashes\030\004" +
       " \003(\014\022\021\n\twitnesses\030\005 \003(\014\022\021\n\ttimestamp\030\006 \001" +
       "(\003\022\014\n\004size\030\007 \001(\004\022\031\n\021transaction_count\030\010 " +
       "\001(\r\022\031\n\021transactions_root\030\t \001(\014\0226\n\014transa" +
       "ctions\030\n \003(\0132 .bdware.bdledger.api.Trans" +
-      "action\022\032\n\022transaction_hashes\030\013 \003(\014\"\253\002\n\010C" +
-      "ontract\022\024\n\014contractName\030\001 \001(\014\022\021\n\trandomN" +
-      "um\030\002 \001(\r\022\021\n\toperation\030\003 \001(\014\022\013\n\003arg\030\004 \001(\014" +
-      "\022\014\n\004path\030\005 \001(\014\022\017\n\007content\030\006 \001(\014\022\016\n\006pubke" +
-      "y\030\007 \001(\014\"\246\001\n\027ContractUnitRequestType\022\t\n\005S" +
-      "TART\020\000\022\010\n\004STOP\020\001\022\013\n\007EXECUTE\020\002\022\t\n\005REPLY\020\003" +
-      "\022\013\n\007REQUEST\020\004\022\016\n\nPREPREPARE\020\005\022\013\n\007PREPARE" +
-      "\020\006\022\n\n\006COMMIT\020\007\022\013\n\007ADDPEER\020\010\022\014\n\010DROPPEER\020" +
-      "\t\022\r\n\tSTATESYNC\020\n*o\n\017TransactionType\022\n\n\006R" +
-      "ECORD\020\000\022\013\n\007MESSAGE\020\001\022\025\n\021CONTRACT_CREATIO" +
-      "N\020\002\022\027\n\023CONTRACT_INVOCATION\020\003\022\023\n\017CONTRACT" +
-      "_STATUS\020\004BY\n\037org.bdware.bdledger.api.grp" +
-      "c.pbB\013CommonProtoZ)bdware.org/bdledger/p" +
-      "kg/api/grpc/pb;apipbb\006proto3"
+      "action\022\032\n\022transaction_hashes\030\013 \003(\014\022\031\n\021cr" +
+      "eator_signature\030\014 \001(\014\022\032\n\022witness_signatu" +
+      "res\030\r \003(\014\"\253\002\n\010Contract\022\024\n\014contractName\030\001" +
+      " \001(\014\022\021\n\trandomNum\030\002 \001(\r\022\021\n\toperation\030\003 \001" +
+      "(\014\022\013\n\003arg\030\004 \001(\014\022\014\n\004path\030\005 \001(\014\022\017\n\007content" +
+      "\030\006 \001(\014\022\016\n\006pubkey\030\007 \001(\014\"\246\001\n\027ContractUnitR" +
+      "equestType\022\t\n\005START\020\000\022\010\n\004STOP\020\001\022\013\n\007EXECU" +
+      "TE\020\002\022\t\n\005REPLY\020\003\022\013\n\007REQUEST\020\004\022\016\n\nPREPREPA" +
+      "RE\020\005\022\013\n\007PREPARE\020\006\022\n\n\006COMMIT\020\007\022\013\n\007ADDPEER" +
+      "\020\010\022\014\n\010DROPPEER\020\t\022\r\n\tSTATESYNC\020\n*o\n\017Trans" +
+      "actionType\022\n\n\006RECORD\020\000\022\013\n\007MESSAGE\020\001\022\025\n\021C" +
+      "ONTRACT_CREATION\020\002\022\027\n\023CONTRACT_INVOCATIO" +
+      "N\020\003\022\023\n\017CONTRACT_STATUS\020\004BY\n\037org.bdware.b" +
+      "dledger.api.grpc.pbB\013CommonProtoZ)bdware" +
+      ".org/bdledger/pkg/api/grpc/pb;apipbb\006pro" +
+      "to3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -5340,7 +5664,7 @@ public final class CommonProto {
     internal_static_bdware_bdledger_api_Block_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_bdware_bdledger_api_Block_descriptor,
-        new java.lang.String[] { "Hash", "Creator", "Nonce", "ParentHashes", "Witnesses", "Timestamp", "Size", "TransactionCount", "TransactionsRoot", "Transactions", "TransactionHashes", });
+        new java.lang.String[] { "Hash", "Creator", "Nonce", "ParentHashes", "Witnesses", "Timestamp", "Size", "TransactionCount", "TransactionsRoot", "Transactions", "TransactionHashes", "CreatorSignature", "WitnessSignatures", });
     internal_static_bdware_bdledger_api_Contract_descriptor =
       getDescriptor().getMessageTypes().get(2);
     internal_static_bdware_bdledger_api_Contract_fieldAccessorTable = new

src/main/java/org/bdware/bdledger/api/grpc/pb/LedgerGrpc.java

@@ -1,25 +1,13 @@
 package org.bdware.bdledger.api.grpc.pb;
 
 import static io.grpc.MethodDescriptor.generateFullMethodName;
-import static io.grpc.stub.ClientCalls.asyncBidiStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncClientStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncServerStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncUnaryCall;
-import static io.grpc.stub.ClientCalls.blockingServerStreamingCall;
-import static io.grpc.stub.ClientCalls.blockingUnaryCall;
-import static io.grpc.stub.ClientCalls.futureUnaryCall;
-import static io.grpc.stub.ServerCalls.asyncBidiStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncClientStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncServerStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncUnaryCall;
-import static io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall;
 
 /**
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.32.1)",
+    value = "by gRPC proto compiler (version 1.41.0)",
     comments = "Source: bdware/bdledger/api/ledger.proto")
+@io.grpc.stub.annotations.GrpcGenerated
 public final class LedgerGrpc {
 
   private LedgerGrpc() {}
@@ -177,7 +165,7 @@ public final class LedgerGrpc {
      */
     public void createLedger(org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getCreateLedgerMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getCreateLedgerMethod(), responseObserver);
     }
 
     /**
@@ -189,7 +177,7 @@ public final class LedgerGrpc {
      */
     public void getLedgers(com.google.protobuf.Empty request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.LedgerProto.GetLedgersResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getGetLedgersMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetLedgersMethod(), responseObserver);
     }
 
     /**
@@ -201,28 +189,28 @@ public final class LedgerGrpc {
      */
     public void sendTransaction(org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getSendTransactionMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getSendTransactionMethod(), responseObserver);
     }
 
     @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
       return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
           .addMethod(
             getCreateLedgerMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerRequest,
                 org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerResponse>(
                   this, METHODID_CREATE_LEDGER)))
           .addMethod(
             getGetLedgersMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 com.google.protobuf.Empty,
                 org.bdware.bdledger.api.grpc.pb.LedgerProto.GetLedgersResponse>(
                   this, METHODID_GET_LEDGERS)))
           .addMethod(
             getSendTransactionMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest,
                 org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionResponse>(
@@ -254,7 +242,7 @@ public final class LedgerGrpc {
      */
     public void createLedger(org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getCreateLedgerMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -267,7 +255,7 @@ public final class LedgerGrpc {
      */
     public void getLedgers(com.google.protobuf.Empty request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.LedgerProto.GetLedgersResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getGetLedgersMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -280,7 +268,7 @@ public final class LedgerGrpc {
      */
     public void sendTransaction(org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getSendTransactionMethod(), getCallOptions()), request, responseObserver);
     }
   }
@@ -307,7 +295,7 @@ public final class LedgerGrpc {
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerResponse createLedger(org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getCreateLedgerMethod(), getCallOptions(), request);
     }
 
@@ -319,7 +307,7 @@ public final class LedgerGrpc {
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.LedgerProto.GetLedgersResponse getLedgers(com.google.protobuf.Empty request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetLedgersMethod(), getCallOptions(), request);
     }
 
@@ -331,7 +319,7 @@ public final class LedgerGrpc {
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionResponse sendTransaction(org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getSendTransactionMethod(), getCallOptions(), request);
     }
   }
@@ -359,7 +347,7 @@ public final class LedgerGrpc {
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerResponse> createLedger(
         org.bdware.bdledger.api.grpc.pb.LedgerProto.CreateLedgerRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getCreateLedgerMethod(), getCallOptions()), request);
     }
 
@@ -372,7 +360,7 @@ public final class LedgerGrpc {
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.LedgerProto.GetLedgersResponse> getLedgers(
         com.google.protobuf.Empty request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetLedgersMethod(), getCallOptions()), request);
     }
 
@@ -385,7 +373,7 @@ public final class LedgerGrpc {
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionResponse> sendTransaction(
         org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getSendTransactionMethod(), getCallOptions()), request);
     }
   }

src/main/java/org/bdware/bdledger/api/grpc/pb/LedgerProto.java

@@ -19,11 +19,21 @@ public final class LedgerProto {
       com.google.protobuf.MessageOrBuilder {
 
     /**
+     * <pre>
+     * Ledger name
+     * 账本名称
+     * </pre>
+     *
      * <code>string name = 1;</code>
      * @return The name.
      */
     java.lang.String getName();
     /**
+     * <pre>
+     * Ledger name
+     * 账本名称
+     * </pre>
+     *
      * <code>string name = 1;</code>
      * @return The bytes for name.
      */
@@ -117,6 +127,11 @@ public final class LedgerProto {
     public static final int NAME_FIELD_NUMBER = 1;
     private volatile java.lang.Object name_;
     /**
+     * <pre>
+     * Ledger name
+     * 账本名称
+     * </pre>
+     *
      * <code>string name = 1;</code>
      * @return The name.
      */
@@ -134,6 +149,11 @@ public final class LedgerProto {
       }
     }
     /**
+     * <pre>
+     * Ledger name
+     * 账本名称
+     * </pre>
+     *
      * <code>string name = 1;</code>
      * @return The bytes for name.
      */
@@ -456,6 +476,11 @@ public final class LedgerProto {
 
       private java.lang.Object name_ = "";
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string name = 1;</code>
        * @return The name.
        */
@@ -472,6 +497,11 @@ public final class LedgerProto {
         }
       }
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string name = 1;</code>
        * @return The bytes for name.
        */
@@ -489,6 +519,11 @@ public final class LedgerProto {
         }
       }
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string name = 1;</code>
        * @param value The name to set.
        * @return This builder for chaining.
@@ -504,6 +539,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string name = 1;</code>
        * @return This builder for chaining.
        */
@@ -514,6 +554,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string name = 1;</code>
        * @param value The bytes for name to set.
        * @return This builder for chaining.
@@ -587,6 +632,11 @@ public final class LedgerProto {
       com.google.protobuf.MessageOrBuilder {
 
     /**
+     * <pre>
+     * Boolean value indicating if the ledger is successfully created
+     * 是否创建成功
+     * </pre>
+     *
      * <code>bool ok = 1;</code>
      * @return The ok.
      */
@@ -677,6 +727,11 @@ public final class LedgerProto {
     public static final int OK_FIELD_NUMBER = 1;
     private boolean ok_;
     /**
+     * <pre>
+     * Boolean value indicating if the ledger is successfully created
+     * 是否创建成功
+     * </pre>
+     *
      * <code>bool ok = 1;</code>
      * @return The ok.
      */
@@ -990,6 +1045,11 @@ public final class LedgerProto {
 
       private boolean ok_ ;
       /**
+       * <pre>
+       * Boolean value indicating if the ledger is successfully created
+       * 是否创建成功
+       * </pre>
+       *
        * <code>bool ok = 1;</code>
        * @return The ok.
        */
@@ -998,6 +1058,11 @@ public final class LedgerProto {
         return ok_;
       }
       /**
+       * <pre>
+       * Boolean value indicating if the ledger is successfully created
+       * 是否创建成功
+       * </pre>
+       *
        * <code>bool ok = 1;</code>
        * @param value The ok to set.
        * @return This builder for chaining.
@@ -1009,6 +1074,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Boolean value indicating if the ledger is successfully created
+       * 是否创建成功
+       * </pre>
+       *
        * <code>bool ok = 1;</code>
        * @return This builder for chaining.
        */
@@ -1076,23 +1146,43 @@ public final class LedgerProto {
       com.google.protobuf.MessageOrBuilder {
 
     /**
+     * <pre>
+     * List of ledger names
+     * 帐本名称列表
+     * </pre>
+     *
      * <code>repeated string ledgers = 1;</code>
      * @return A list containing the ledgers.
      */
     java.util.List<java.lang.String>
         getLedgersList();
     /**
+     * <pre>
+     * List of ledger names
+     * 帐本名称列表
+     * </pre>
+     *
      * <code>repeated string ledgers = 1;</code>
      * @return The count of ledgers.
      */
     int getLedgersCount();
     /**
+     * <pre>
+     * List of ledger names
+     * 帐本名称列表
+     * </pre>
+     *
      * <code>repeated string ledgers = 1;</code>
      * @param index The index of the element to return.
      * @return The ledgers at the given index.
      */
     java.lang.String getLedgers(int index);
     /**
+     * <pre>
+     * List of ledger names
+     * 帐本名称列表
+     * </pre>
+     *
      * <code>repeated string ledgers = 1;</code>
      * @param index The index of the value to return.
      * @return The bytes of the ledgers at the given index.
@@ -1194,6 +1284,11 @@ public final class LedgerProto {
     public static final int LEDGERS_FIELD_NUMBER = 1;
     private com.google.protobuf.LazyStringList ledgers_;
     /**
+     * <pre>
+     * List of ledger names
+     * 帐本名称列表
+     * </pre>
+     *
      * <code>repeated string ledgers = 1;</code>
      * @return A list containing the ledgers.
      */
@@ -1202,6 +1297,11 @@ public final class LedgerProto {
       return ledgers_;
     }
     /**
+     * <pre>
+     * List of ledger names
+     * 帐本名称列表
+     * </pre>
+     *
      * <code>repeated string ledgers = 1;</code>
      * @return The count of ledgers.
      */
@@ -1209,6 +1309,11 @@ public final class LedgerProto {
       return ledgers_.size();
     }
     /**
+     * <pre>
+     * List of ledger names
+     * 帐本名称列表
+     * </pre>
+     *
      * <code>repeated string ledgers = 1;</code>
      * @param index The index of the element to return.
      * @return The ledgers at the given index.
@@ -1217,6 +1322,11 @@ public final class LedgerProto {
       return ledgers_.get(index);
     }
     /**
+     * <pre>
+     * List of ledger names
+     * 帐本名称列表
+     * </pre>
+     *
      * <code>repeated string ledgers = 1;</code>
      * @param index The index of the value to return.
      * @return The bytes of the ledgers at the given index.
@@ -1555,6 +1665,11 @@ public final class LedgerProto {
          }
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @return A list containing the ledgers.
        */
@@ -1563,6 +1678,11 @@ public final class LedgerProto {
         return ledgers_.getUnmodifiableView();
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @return The count of ledgers.
        */
@@ -1570,6 +1690,11 @@ public final class LedgerProto {
         return ledgers_.size();
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @param index The index of the element to return.
        * @return The ledgers at the given index.
@@ -1578,6 +1703,11 @@ public final class LedgerProto {
         return ledgers_.get(index);
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @param index The index of the value to return.
        * @return The bytes of the ledgers at the given index.
@@ -1587,6 +1717,11 @@ public final class LedgerProto {
         return ledgers_.getByteString(index);
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @param index The index to set the value at.
        * @param value The ledgers to set.
@@ -1603,6 +1738,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @param value The ledgers to add.
        * @return This builder for chaining.
@@ -1618,6 +1758,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @param values The ledgers to add.
        * @return This builder for chaining.
@@ -1631,6 +1776,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @return This builder for chaining.
        */
@@ -1641,6 +1791,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * List of ledger names
+       * 帐本名称列表
+       * </pre>
+       *
        * <code>repeated string ledgers = 1;</code>
        * @param value The bytes of the ledgers to add.
        * @return This builder for chaining.
@@ -1714,11 +1869,21 @@ public final class LedgerProto {
       com.google.protobuf.MessageOrBuilder {
 
     /**
+     * <pre>
+     * Ledger name
+     * 账本名称
+     * </pre>
+     *
      * <code>string ledger = 1;</code>
      * @return The ledger.
      */
     java.lang.String getLedger();
     /**
+     * <pre>
+     * Ledger name
+     * 账本名称
+     * </pre>
+     *
      * <code>string ledger = 1;</code>
      * @return The bytes for ledger.
      */
@@ -1726,16 +1891,31 @@ public final class LedgerProto {
         getLedgerBytes();
 
     /**
+     * <pre>
+     * Transaction info
+     * 事务信息
+     * </pre>
+     *
      * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
      * @return Whether the transaction field is set.
      */
     boolean hasTransaction();
     /**
+     * <pre>
+     * Transaction info
+     * 事务信息
+     * </pre>
+     *
      * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
      * @return The transaction.
      */
     org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.Transaction getTransaction();
     /**
+     * <pre>
+     * Transaction info
+     * 事务信息
+     * </pre>
+     *
      * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
      */
     org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.TransactionOrBuilder getTransactionOrBuilder();
@@ -1842,35 +2022,59 @@ public final class LedgerProto {
         com.google.protobuf.MessageOrBuilder {
 
       /**
+       * <pre>
+       * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
        * @return The enum numeric value on the wire for type.
        */
       int getTypeValue();
       /**
+       * <pre>
+       * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
        * @return The type.
        */
       org.bdware.bdledger.api.grpc.pb.CommonProto.TransactionType getType();
 
       /**
+       * <pre>
+       * 任意20字节的地址，用于区分使用同一节点的事务发起者
+       * </pre>
+       *
        * <code>bytes from = 2;</code>
        * @return The from.
        */
       com.google.protobuf.ByteString getFrom();
 
       /**
+       * <pre>
+       * 正整数，同一from每个nonce应只使用一次，防止重复的事务（可以每次发送事务+1）
+       * </pre>
+       *
        * <code>uint64 nonce = 3;</code>
        * @return The nonce.
        */
       long getNonce();
 
       /**
+       * <pre>
+       * 对于通用数据记录不需传递，无意义
+       * </pre>
+       *
        * <code>bytes to = 4;</code>
        * @return The to.
        */
       com.google.protobuf.ByteString getTo();
 
       /**
+       * <pre>
+       * 事务数据内容，字节数组
+       * </pre>
+       *
        * <code>bytes data = 5;</code>
        * @return The data.
        */
@@ -1986,6 +2190,10 @@ public final class LedgerProto {
       public static final int TYPE_FIELD_NUMBER = 1;
       private int type_;
       /**
+       * <pre>
+       * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
        * @return The enum numeric value on the wire for type.
        */
@@ -1993,6 +2201,10 @@ public final class LedgerProto {
         return type_;
       }
       /**
+       * <pre>
+       * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
        * @return The type.
        */
@@ -2005,6 +2217,10 @@ public final class LedgerProto {
       public static final int FROM_FIELD_NUMBER = 2;
       private com.google.protobuf.ByteString from_;
       /**
+       * <pre>
+       * 任意20字节的地址，用于区分使用同一节点的事务发起者
+       * </pre>
+       *
        * <code>bytes from = 2;</code>
        * @return The from.
        */
@@ -2016,6 +2232,10 @@ public final class LedgerProto {
       public static final int NONCE_FIELD_NUMBER = 3;
       private long nonce_;
       /**
+       * <pre>
+       * 正整数，同一from每个nonce应只使用一次，防止重复的事务（可以每次发送事务+1）
+       * </pre>
+       *
        * <code>uint64 nonce = 3;</code>
        * @return The nonce.
        */
@@ -2027,6 +2247,10 @@ public final class LedgerProto {
       public static final int TO_FIELD_NUMBER = 4;
       private com.google.protobuf.ByteString to_;
       /**
+       * <pre>
+       * 对于通用数据记录不需传递，无意义
+       * </pre>
+       *
        * <code>bytes to = 4;</code>
        * @return The to.
        */
@@ -2038,6 +2262,10 @@ public final class LedgerProto {
       public static final int DATA_FIELD_NUMBER = 5;
       private com.google.protobuf.ByteString data_;
       /**
+       * <pre>
+       * 事务数据内容，字节数组
+       * </pre>
+       *
        * <code>bytes data = 5;</code>
        * @return The data.
        */
@@ -2418,6 +2646,10 @@ public final class LedgerProto {
 
         private int type_ = 0;
         /**
+         * <pre>
+         * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+         * </pre>
+         *
          * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
          * @return The enum numeric value on the wire for type.
          */
@@ -2425,6 +2657,10 @@ public final class LedgerProto {
           return type_;
         }
         /**
+         * <pre>
+         * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+         * </pre>
+         *
          * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
          * @param value The enum numeric value on the wire for type to set.
          * @return This builder for chaining.
@@ -2436,6 +2672,10 @@ public final class LedgerProto {
           return this;
         }
         /**
+         * <pre>
+         * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+         * </pre>
+         *
          * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
          * @return The type.
          */
@@ -2446,6 +2686,10 @@ public final class LedgerProto {
           return result == null ? org.bdware.bdledger.api.grpc.pb.CommonProto.TransactionType.UNRECOGNIZED : result;
         }
         /**
+         * <pre>
+         * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+         * </pre>
+         *
          * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
          * @param value The type to set.
          * @return This builder for chaining.
@@ -2460,6 +2704,10 @@ public final class LedgerProto {
           return this;
         }
         /**
+         * <pre>
+         * 事务类型，目前仅支持通用数据记录，即type为RECORD (0)
+         * </pre>
+         *
          * <code>.bdware.bdledger.api.TransactionType type = 1;</code>
          * @return This builder for chaining.
          */
@@ -2472,6 +2720,10 @@ public final class LedgerProto {
 
         private com.google.protobuf.ByteString from_ = com.google.protobuf.ByteString.EMPTY;
         /**
+         * <pre>
+         * 任意20字节的地址，用于区分使用同一节点的事务发起者
+         * </pre>
+         *
          * <code>bytes from = 2;</code>
          * @return The from.
          */
@@ -2480,6 +2732,10 @@ public final class LedgerProto {
           return from_;
         }
         /**
+         * <pre>
+         * 任意20字节的地址，用于区分使用同一节点的事务发起者
+         * </pre>
+         *
          * <code>bytes from = 2;</code>
          * @param value The from to set.
          * @return This builder for chaining.
@@ -2494,6 +2750,10 @@ public final class LedgerProto {
           return this;
         }
         /**
+         * <pre>
+         * 任意20字节的地址，用于区分使用同一节点的事务发起者
+         * </pre>
+         *
          * <code>bytes from = 2;</code>
          * @return This builder for chaining.
          */
@@ -2506,6 +2766,10 @@ public final class LedgerProto {
 
         private long nonce_ ;
         /**
+         * <pre>
+         * 正整数，同一from每个nonce应只使用一次，防止重复的事务（可以每次发送事务+1）
+         * </pre>
+         *
          * <code>uint64 nonce = 3;</code>
          * @return The nonce.
          */
@@ -2514,6 +2778,10 @@ public final class LedgerProto {
           return nonce_;
         }
         /**
+         * <pre>
+         * 正整数，同一from每个nonce应只使用一次，防止重复的事务（可以每次发送事务+1）
+         * </pre>
+         *
          * <code>uint64 nonce = 3;</code>
          * @param value The nonce to set.
          * @return This builder for chaining.
@@ -2525,6 +2793,10 @@ public final class LedgerProto {
           return this;
         }
         /**
+         * <pre>
+         * 正整数，同一from每个nonce应只使用一次，防止重复的事务（可以每次发送事务+1）
+         * </pre>
+         *
          * <code>uint64 nonce = 3;</code>
          * @return This builder for chaining.
          */
@@ -2537,6 +2809,10 @@ public final class LedgerProto {
 
         private com.google.protobuf.ByteString to_ = com.google.protobuf.ByteString.EMPTY;
         /**
+         * <pre>
+         * 对于通用数据记录不需传递，无意义
+         * </pre>
+         *
          * <code>bytes to = 4;</code>
          * @return The to.
          */
@@ -2545,6 +2821,10 @@ public final class LedgerProto {
           return to_;
         }
         /**
+         * <pre>
+         * 对于通用数据记录不需传递，无意义
+         * </pre>
+         *
          * <code>bytes to = 4;</code>
          * @param value The to to set.
          * @return This builder for chaining.
@@ -2559,6 +2839,10 @@ public final class LedgerProto {
           return this;
         }
         /**
+         * <pre>
+         * 对于通用数据记录不需传递，无意义
+         * </pre>
+         *
          * <code>bytes to = 4;</code>
          * @return This builder for chaining.
          */
@@ -2571,6 +2855,10 @@ public final class LedgerProto {
 
         private com.google.protobuf.ByteString data_ = com.google.protobuf.ByteString.EMPTY;
         /**
+         * <pre>
+         * 事务数据内容，字节数组
+         * </pre>
+         *
          * <code>bytes data = 5;</code>
          * @return The data.
          */
@@ -2579,6 +2867,10 @@ public final class LedgerProto {
           return data_;
         }
         /**
+         * <pre>
+         * 事务数据内容，字节数组
+         * </pre>
+         *
          * <code>bytes data = 5;</code>
          * @param value The data to set.
          * @return This builder for chaining.
@@ -2593,6 +2885,10 @@ public final class LedgerProto {
           return this;
         }
         /**
+         * <pre>
+         * 事务数据内容，字节数组
+         * </pre>
+         *
          * <code>bytes data = 5;</code>
          * @return This builder for chaining.
          */
@@ -2658,6 +2954,11 @@ public final class LedgerProto {
     public static final int LEDGER_FIELD_NUMBER = 1;
     private volatile java.lang.Object ledger_;
     /**
+     * <pre>
+     * Ledger name
+     * 账本名称
+     * </pre>
+     *
      * <code>string ledger = 1;</code>
      * @return The ledger.
      */
@@ -2675,6 +2976,11 @@ public final class LedgerProto {
       }
     }
     /**
+     * <pre>
+     * Ledger name
+     * 账本名称
+     * </pre>
+     *
      * <code>string ledger = 1;</code>
      * @return The bytes for ledger.
      */
@@ -2696,6 +3002,11 @@ public final class LedgerProto {
     public static final int TRANSACTION_FIELD_NUMBER = 2;
     private org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.Transaction transaction_;
     /**
+     * <pre>
+     * Transaction info
+     * 事务信息
+     * </pre>
+     *
      * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
      * @return Whether the transaction field is set.
      */
@@ -2704,6 +3015,11 @@ public final class LedgerProto {
       return transaction_ != null;
     }
     /**
+     * <pre>
+     * Transaction info
+     * 事务信息
+     * </pre>
+     *
      * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
      * @return The transaction.
      */
@@ -2712,6 +3028,11 @@ public final class LedgerProto {
       return transaction_ == null ? org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.Transaction.getDefaultInstance() : transaction_;
     }
     /**
+     * <pre>
+     * Transaction info
+     * 事务信息
+     * </pre>
+     *
      * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
      */
     @java.lang.Override
@@ -3053,6 +3374,11 @@ public final class LedgerProto {
 
       private java.lang.Object ledger_ = "";
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string ledger = 1;</code>
        * @return The ledger.
        */
@@ -3069,6 +3395,11 @@ public final class LedgerProto {
         }
       }
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string ledger = 1;</code>
        * @return The bytes for ledger.
        */
@@ -3086,6 +3417,11 @@ public final class LedgerProto {
         }
       }
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string ledger = 1;</code>
        * @param value The ledger to set.
        * @return This builder for chaining.
@@ -3101,6 +3437,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string ledger = 1;</code>
        * @return This builder for chaining.
        */
@@ -3111,6 +3452,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Ledger name
+       * 账本名称
+       * </pre>
+       *
        * <code>string ledger = 1;</code>
        * @param value The bytes for ledger to set.
        * @return This builder for chaining.
@@ -3131,6 +3477,11 @@ public final class LedgerProto {
       private com.google.protobuf.SingleFieldBuilderV3<
           org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.Transaction, org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.Transaction.Builder, org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.TransactionOrBuilder> transactionBuilder_;
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        * @return Whether the transaction field is set.
        */
@@ -3138,6 +3489,11 @@ public final class LedgerProto {
         return transactionBuilder_ != null || transaction_ != null;
       }
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        * @return The transaction.
        */
@@ -3149,6 +3505,11 @@ public final class LedgerProto {
         }
       }
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        */
       public Builder setTransaction(org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.Transaction value) {
@@ -3165,6 +3526,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        */
       public Builder setTransaction(
@@ -3179,6 +3545,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        */
       public Builder mergeTransaction(org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.Transaction value) {
@@ -3197,6 +3568,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        */
       public Builder clearTransaction() {
@@ -3211,6 +3587,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        */
       public org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.Transaction.Builder getTransactionBuilder() {
@@ -3219,6 +3600,11 @@ public final class LedgerProto {
         return getTransactionFieldBuilder().getBuilder();
       }
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        */
       public org.bdware.bdledger.api.grpc.pb.LedgerProto.SendTransactionRequest.TransactionOrBuilder getTransactionOrBuilder() {
@@ -3230,6 +3616,11 @@ public final class LedgerProto {
         }
       }
       /**
+       * <pre>
+       * Transaction info
+       * 事务信息
+       * </pre>
+       *
        * <code>.bdware.bdledger.api.SendTransactionRequest.Transaction transaction = 2;</code>
        */
       private com.google.protobuf.SingleFieldBuilderV3<
@@ -3303,6 +3694,11 @@ public final class LedgerProto {
       com.google.protobuf.MessageOrBuilder {
 
     /**
+     * <pre>
+     * Hash of the created transaction
+     * 事务哈希
+     * </pre>
+     *
      * <code>bytes hash = 1;</code>
      * @return The hash.
      */
@@ -3394,6 +3790,11 @@ public final class LedgerProto {
     public static final int HASH_FIELD_NUMBER = 1;
     private com.google.protobuf.ByteString hash_;
     /**
+     * <pre>
+     * Hash of the created transaction
+     * 事务哈希
+     * </pre>
+     *
      * <code>bytes hash = 1;</code>
      * @return The hash.
      */
@@ -3706,6 +4107,11 @@ public final class LedgerProto {
 
       private com.google.protobuf.ByteString hash_ = com.google.protobuf.ByteString.EMPTY;
       /**
+       * <pre>
+       * Hash of the created transaction
+       * 事务哈希
+       * </pre>
+       *
        * <code>bytes hash = 1;</code>
        * @return The hash.
        */
@@ -3714,6 +4120,11 @@ public final class LedgerProto {
         return hash_;
       }
       /**
+       * <pre>
+       * Hash of the created transaction
+       * 事务哈希
+       * </pre>
+       *
        * <code>bytes hash = 1;</code>
        * @param value The hash to set.
        * @return This builder for chaining.
@@ -3728,6 +4139,11 @@ public final class LedgerProto {
         return this;
       }
       /**
+       * <pre>
+       * Hash of the created transaction
+       * 事务哈希
+       * </pre>
+       *
        * <code>bytes hash = 1;</code>
        * @return This builder for chaining.
        */

src/main/java/org/bdware/bdledger/api/grpc/pb/NodeGrpc.java

@@ -1,25 +1,13 @@
 package org.bdware.bdledger.api.grpc.pb;
 
 import static io.grpc.MethodDescriptor.generateFullMethodName;
-import static io.grpc.stub.ClientCalls.asyncBidiStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncClientStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncServerStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncUnaryCall;
-import static io.grpc.stub.ClientCalls.blockingServerStreamingCall;
-import static io.grpc.stub.ClientCalls.blockingUnaryCall;
-import static io.grpc.stub.ClientCalls.futureUnaryCall;
-import static io.grpc.stub.ServerCalls.asyncBidiStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncClientStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncServerStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncUnaryCall;
-import static io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall;
 
 /**
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.32.1)",
+    value = "by gRPC proto compiler (version 1.41.0)",
     comments = "Source: bdware/bdledger/api/node.proto")
+@io.grpc.stub.annotations.GrpcGenerated
 public final class NodeGrpc {
 
   private NodeGrpc() {}
@@ -115,14 +103,14 @@ public final class NodeGrpc {
      */
     public void clientVersion(com.google.protobuf.Empty request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.NodeProto.ClientVersionResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getClientVersionMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getClientVersionMethod(), responseObserver);
     }
 
     @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
       return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
           .addMethod(
             getClientVersionMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 com.google.protobuf.Empty,
                 org.bdware.bdledger.api.grpc.pb.NodeProto.ClientVersionResponse>(
@@ -154,7 +142,7 @@ public final class NodeGrpc {
      */
     public void clientVersion(com.google.protobuf.Empty request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.NodeProto.ClientVersionResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getClientVersionMethod(), getCallOptions()), request, responseObserver);
     }
   }
@@ -181,7 +169,7 @@ public final class NodeGrpc {
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.NodeProto.ClientVersionResponse clientVersion(com.google.protobuf.Empty request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getClientVersionMethod(), getCallOptions(), request);
     }
   }
@@ -209,7 +197,7 @@ public final class NodeGrpc {
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.NodeProto.ClientVersionResponse> clientVersion(
         com.google.protobuf.Empty request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getClientVersionMethod(), getCallOptions()), request);
     }
   }

src/main/java/org/bdware/bdledger/api/grpc/pb/NodeProto.java

@@ -20,6 +20,7 @@ public final class NodeProto {
 
     /**
      * <pre>
+     * Client version
      * 节点客户端版本
      * </pre>
      *
@@ -29,6 +30,7 @@ public final class NodeProto {
     java.lang.String getVersion();
     /**
      * <pre>
+     * Client version
      * 节点客户端版本
      * </pre>
      *
@@ -126,6 +128,7 @@ public final class NodeProto {
     private volatile java.lang.Object version_;
     /**
      * <pre>
+     * Client version
      * 节点客户端版本
      * </pre>
      *
@@ -147,6 +150,7 @@ public final class NodeProto {
     }
     /**
      * <pre>
+     * Client version
      * 节点客户端版本
      * </pre>
      *
@@ -473,6 +477,7 @@ public final class NodeProto {
       private java.lang.Object version_ = "";
       /**
        * <pre>
+       * Client version
        * 节点客户端版本
        * </pre>
        *
@@ -493,6 +498,7 @@ public final class NodeProto {
       }
       /**
        * <pre>
+       * Client version
        * 节点客户端版本
        * </pre>
        *
@@ -514,6 +520,7 @@ public final class NodeProto {
       }
       /**
        * <pre>
+       * Client version
        * 节点客户端版本
        * </pre>
        *
@@ -533,6 +540,7 @@ public final class NodeProto {
       }
       /**
        * <pre>
+       * Client version
        * 节点客户端版本
        * </pre>
        *
@@ -547,6 +555,7 @@ public final class NodeProto {
       }
       /**
        * <pre>
+       * Client version
        * 节点客户端版本
        * </pre>
        *

src/main/java/org/bdware/bdledger/api/grpc/pb/QueryGrpc.java

@@ -1,25 +1,13 @@
 package org.bdware.bdledger.api.grpc.pb;
 
 import static io.grpc.MethodDescriptor.generateFullMethodName;
-import static io.grpc.stub.ClientCalls.asyncBidiStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncClientStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncServerStreamingCall;
-import static io.grpc.stub.ClientCalls.asyncUnaryCall;
-import static io.grpc.stub.ClientCalls.blockingServerStreamingCall;
-import static io.grpc.stub.ClientCalls.blockingUnaryCall;
-import static io.grpc.stub.ClientCalls.futureUnaryCall;
-import static io.grpc.stub.ServerCalls.asyncBidiStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncClientStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncServerStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncUnaryCall;
-import static io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall;
-import static io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall;
 
 /**
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.32.1)",
+    value = "by gRPC proto compiler (version 1.41.0)",
     comments = "Source: bdware/bdledger/api/query.proto")
+@io.grpc.stub.annotations.GrpcGenerated
 public final class QueryGrpc {
 
   private QueryGrpc() {}
@@ -332,7 +320,7 @@ public final class QueryGrpc {
      */
     public void getBlockByHash(org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getGetBlockByHashMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetBlockByHashMethod(), responseObserver);
     }
 
     /**
@@ -340,12 +328,20 @@ public final class QueryGrpc {
      **
      * Get blocks in a timestamp range
      * 查询时间范围内的区块
-     * start_timestamp is required
+     * Requirement: start_timestamp &lt;= end_timestamp
+     * If neither 'start_timestamp' nor 'end_timestamp' is specified, then 'start_timestamp' will be set to
+     * the genesis block's timestamp, and 'end_timestamp' will be set to (start_timestamp + query.maxDuration)
+     * (query.maxDuration is specified in go-bdledger's config file).
+     * If only 'end_timestamp' is not specified, or (end_timestamp - start_timestamp &gt; query.maxDuration),
+     * then 'end_timestamp' will be set to (start_timestamp + query.maxDuration).
+     * If only 'start_timestamp' is not specified, then 'start_timestamp' will be set to (end_timestamp - query.maxDuration).
+     * In all cases, 'start_timestamp' will never be earlier than the genesis block's timestamp,
+     * and 'end_timestamp' will never be later than the current timestamp when the node process the query request.
      * </pre>
      */
     public void getBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getGetBlocksMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetBlocksMethod(), responseObserver);
     }
 
     /**
@@ -353,23 +349,29 @@ public final class QueryGrpc {
      **
      * Count all blocks in a ledger, or blocks in a timestamp range
      * 查询帐本中的所有区块数量，或时间范围内的区块数量
+     * Requirement: start_timestamp &lt;= end_timestamp
+     * If neither 'start_timestamp' nor 'end_timestamp' is specified, then count all blocks in the specified ledger.
+     * If only 'end_timestamp' is not specified, then count all blocks with timestamps later than 'start_timestamp'.
+     * If only 'start_timestamp' is not specified, then count all blocks with timestamps earlier than 'end_timestamp'.
+     * In all cases, 'start_timestamp' will never be earlier than the genesis block's timestamp,
+     * and 'end_timestamp' will never be later than the current timestamp when the node process the query request.
      * </pre>
      */
     public void countBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.CountBlocksResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getCountBlocksMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getCountBlocksMethod(), responseObserver);
     }
 
     /**
      * <pre>
      **
      * Get recent 'count' blocks (Only support IncludeTransactions=NONE for now)
-     * 查询最新的n个区块
+     * 查询最新的 'count' 个区块
      * </pre>
      */
     public void getRecentBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.RecentBlocksRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getGetRecentBlocksMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetRecentBlocksMethod(), responseObserver);
     }
 
     /**
@@ -381,7 +383,7 @@ public final class QueryGrpc {
      */
     public void getTransactionByHash(org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getGetTransactionByHashMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetTransactionByHashMethod(), responseObserver);
     }
 
     /**
@@ -393,7 +395,7 @@ public final class QueryGrpc {
      */
     public void getTransactionByBlockHashAndIndex(org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getGetTransactionByBlockHashAndIndexMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetTransactionByBlockHashAndIndexMethod(), responseObserver);
     }
 
     /**
@@ -401,11 +403,12 @@ public final class QueryGrpc {
      **
      * Get transactions in a timestamp range
      * 查询时间范围内的事务
+     * 'start_timestamp' and 'end_timestamp' follow the same requirements and rules as in 'GetBlocks'.
      * </pre>
      */
     public void getTransactions(org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionsResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getGetTransactionsMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetTransactionsMethod(), responseObserver);
     }
 
     /**
@@ -413,68 +416,68 @@ public final class QueryGrpc {
      **
      * Count all transactions in a ledger, or transactions in a timestamp range
      * 查询帐本中的所有事务数量，或时间范围内的事务数量
-     * start_timestamp is required
+     * 'start_timestamp' and 'end_timestamp' follow the same requirements and rules as in 'CountBlocks'.
      * </pre>
      */
     public void countTransactions(org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.CountTransactionsResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getCountTransactionsMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getCountTransactionsMethod(), responseObserver);
     }
 
     @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
       return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
           .addMethod(
             getGetBlockByHashMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashRequest,
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashResponse>(
                   this, METHODID_GET_BLOCK_BY_HASH)))
           .addMethod(
             getGetBlocksMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest,
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse>(
                   this, METHODID_GET_BLOCKS)))
           .addMethod(
             getCountBlocksMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest,
                 org.bdware.bdledger.api.grpc.pb.QueryProto.CountBlocksResponse>(
                   this, METHODID_COUNT_BLOCKS)))
           .addMethod(
             getGetRecentBlocksMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.QueryProto.RecentBlocksRequest,
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse>(
                   this, METHODID_GET_RECENT_BLOCKS)))
           .addMethod(
             getGetTransactionByHashMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashRequest,
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashResponse>(
                   this, METHODID_GET_TRANSACTION_BY_HASH)))
           .addMethod(
             getGetTransactionByBlockHashAndIndexMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexRequest,
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexResponse>(
                   this, METHODID_GET_TRANSACTION_BY_BLOCK_HASH_AND_INDEX)))
           .addMethod(
             getGetTransactionsMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest,
                 org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionsResponse>(
                   this, METHODID_GET_TRANSACTIONS)))
           .addMethod(
             getCountTransactionsMethod(),
-            asyncUnaryCall(
+            io.grpc.stub.ServerCalls.asyncUnaryCall(
               new MethodHandlers<
                 org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest,
                 org.bdware.bdledger.api.grpc.pb.QueryProto.CountTransactionsResponse>(
@@ -506,7 +509,7 @@ public final class QueryGrpc {
      */
     public void getBlockByHash(org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getGetBlockByHashMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -515,12 +518,20 @@ public final class QueryGrpc {
      **
      * Get blocks in a timestamp range
      * 查询时间范围内的区块
-     * start_timestamp is required
+     * Requirement: start_timestamp &lt;= end_timestamp
+     * If neither 'start_timestamp' nor 'end_timestamp' is specified, then 'start_timestamp' will be set to
+     * the genesis block's timestamp, and 'end_timestamp' will be set to (start_timestamp + query.maxDuration)
+     * (query.maxDuration is specified in go-bdledger's config file).
+     * If only 'end_timestamp' is not specified, or (end_timestamp - start_timestamp &gt; query.maxDuration),
+     * then 'end_timestamp' will be set to (start_timestamp + query.maxDuration).
+     * If only 'start_timestamp' is not specified, then 'start_timestamp' will be set to (end_timestamp - query.maxDuration).
+     * In all cases, 'start_timestamp' will never be earlier than the genesis block's timestamp,
+     * and 'end_timestamp' will never be later than the current timestamp when the node process the query request.
      * </pre>
      */
     public void getBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getGetBlocksMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -529,11 +540,17 @@ public final class QueryGrpc {
      **
      * Count all blocks in a ledger, or blocks in a timestamp range
      * 查询帐本中的所有区块数量，或时间范围内的区块数量
+     * Requirement: start_timestamp &lt;= end_timestamp
+     * If neither 'start_timestamp' nor 'end_timestamp' is specified, then count all blocks in the specified ledger.
+     * If only 'end_timestamp' is not specified, then count all blocks with timestamps later than 'start_timestamp'.
+     * If only 'start_timestamp' is not specified, then count all blocks with timestamps earlier than 'end_timestamp'.
+     * In all cases, 'start_timestamp' will never be earlier than the genesis block's timestamp,
+     * and 'end_timestamp' will never be later than the current timestamp when the node process the query request.
      * </pre>
      */
     public void countBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.CountBlocksResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getCountBlocksMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -541,12 +558,12 @@ public final class QueryGrpc {
      * <pre>
      **
      * Get recent 'count' blocks (Only support IncludeTransactions=NONE for now)
-     * 查询最新的n个区块
+     * 查询最新的 'count' 个区块
      * </pre>
      */
     public void getRecentBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.RecentBlocksRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getGetRecentBlocksMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -559,7 +576,7 @@ public final class QueryGrpc {
      */
     public void getTransactionByHash(org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getGetTransactionByHashMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -572,7 +589,7 @@ public final class QueryGrpc {
      */
     public void getTransactionByBlockHashAndIndex(org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getGetTransactionByBlockHashAndIndexMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -581,11 +598,12 @@ public final class QueryGrpc {
      **
      * Get transactions in a timestamp range
      * 查询时间范围内的事务
+     * 'start_timestamp' and 'end_timestamp' follow the same requirements and rules as in 'GetBlocks'.
      * </pre>
      */
     public void getTransactions(org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionsResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getGetTransactionsMethod(), getCallOptions()), request, responseObserver);
     }
 
@@ -594,12 +612,12 @@ public final class QueryGrpc {
      **
      * Count all transactions in a ledger, or transactions in a timestamp range
      * 查询帐本中的所有事务数量，或时间范围内的事务数量
-     * start_timestamp is required
+     * 'start_timestamp' and 'end_timestamp' follow the same requirements and rules as in 'CountBlocks'.
      * </pre>
      */
     public void countTransactions(org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest request,
         io.grpc.stub.StreamObserver<org.bdware.bdledger.api.grpc.pb.QueryProto.CountTransactionsResponse> responseObserver) {
-      asyncUnaryCall(
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getCountTransactionsMethod(), getCallOptions()), request, responseObserver);
     }
   }
@@ -626,7 +644,7 @@ public final class QueryGrpc {
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashResponse getBlockByHash(org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetBlockByHashMethod(), getCallOptions(), request);
     }
 
@@ -635,11 +653,19 @@ public final class QueryGrpc {
      **
      * Get blocks in a timestamp range
      * 查询时间范围内的区块
-     * start_timestamp is required
+     * Requirement: start_timestamp &lt;= end_timestamp
+     * If neither 'start_timestamp' nor 'end_timestamp' is specified, then 'start_timestamp' will be set to
+     * the genesis block's timestamp, and 'end_timestamp' will be set to (start_timestamp + query.maxDuration)
+     * (query.maxDuration is specified in go-bdledger's config file).
+     * If only 'end_timestamp' is not specified, or (end_timestamp - start_timestamp &gt; query.maxDuration),
+     * then 'end_timestamp' will be set to (start_timestamp + query.maxDuration).
+     * If only 'start_timestamp' is not specified, then 'start_timestamp' will be set to (end_timestamp - query.maxDuration).
+     * In all cases, 'start_timestamp' will never be earlier than the genesis block's timestamp,
+     * and 'end_timestamp' will never be later than the current timestamp when the node process the query request.
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse getBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetBlocksMethod(), getCallOptions(), request);
     }
 
@@ -648,10 +674,16 @@ public final class QueryGrpc {
      **
      * Count all blocks in a ledger, or blocks in a timestamp range
      * 查询帐本中的所有区块数量，或时间范围内的区块数量
+     * Requirement: start_timestamp &lt;= end_timestamp
+     * If neither 'start_timestamp' nor 'end_timestamp' is specified, then count all blocks in the specified ledger.
+     * If only 'end_timestamp' is not specified, then count all blocks with timestamps later than 'start_timestamp'.
+     * If only 'start_timestamp' is not specified, then count all blocks with timestamps earlier than 'end_timestamp'.
+     * In all cases, 'start_timestamp' will never be earlier than the genesis block's timestamp,
+     * and 'end_timestamp' will never be later than the current timestamp when the node process the query request.
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.QueryProto.CountBlocksResponse countBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getCountBlocksMethod(), getCallOptions(), request);
     }
 
@@ -659,11 +691,11 @@ public final class QueryGrpc {
      * <pre>
      **
      * Get recent 'count' blocks (Only support IncludeTransactions=NONE for now)
-     * 查询最新的n个区块
+     * 查询最新的 'count' 个区块
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse getRecentBlocks(org.bdware.bdledger.api.grpc.pb.QueryProto.RecentBlocksRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetRecentBlocksMethod(), getCallOptions(), request);
     }
 
@@ -675,7 +707,7 @@ public final class QueryGrpc {
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashResponse getTransactionByHash(org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetTransactionByHashMethod(), getCallOptions(), request);
     }
 
@@ -687,7 +719,7 @@ public final class QueryGrpc {
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexResponse getTransactionByBlockHashAndIndex(org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetTransactionByBlockHashAndIndexMethod(), getCallOptions(), request);
     }
 
@@ -696,10 +728,11 @@ public final class QueryGrpc {
      **
      * Get transactions in a timestamp range
      * 查询时间范围内的事务
+     * 'start_timestamp' and 'end_timestamp' follow the same requirements and rules as in 'GetBlocks'.
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionsResponse getTransactions(org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetTransactionsMethod(), getCallOptions(), request);
     }
 
@@ -708,11 +741,11 @@ public final class QueryGrpc {
      **
      * Count all transactions in a ledger, or transactions in a timestamp range
      * 查询帐本中的所有事务数量，或时间范围内的事务数量
-     * start_timestamp is required
+     * 'start_timestamp' and 'end_timestamp' follow the same requirements and rules as in 'CountBlocks'.
      * </pre>
      */
     public org.bdware.bdledger.api.grpc.pb.QueryProto.CountTransactionsResponse countTransactions(org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest request) {
-      return blockingUnaryCall(
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getCountTransactionsMethod(), getCallOptions(), request);
     }
   }
@@ -740,7 +773,7 @@ public final class QueryGrpc {
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashResponse> getBlockByHash(
         org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlockByHashRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetBlockByHashMethod(), getCallOptions()), request);
     }
 
@@ -749,12 +782,20 @@ public final class QueryGrpc {
      **
      * Get blocks in a timestamp range
      * 查询时间范围内的区块
-     * start_timestamp is required
+     * Requirement: start_timestamp &lt;= end_timestamp
+     * If neither 'start_timestamp' nor 'end_timestamp' is specified, then 'start_timestamp' will be set to
+     * the genesis block's timestamp, and 'end_timestamp' will be set to (start_timestamp + query.maxDuration)
+     * (query.maxDuration is specified in go-bdledger's config file).
+     * If only 'end_timestamp' is not specified, or (end_timestamp - start_timestamp &gt; query.maxDuration),
+     * then 'end_timestamp' will be set to (start_timestamp + query.maxDuration).
+     * If only 'start_timestamp' is not specified, then 'start_timestamp' will be set to (end_timestamp - query.maxDuration).
+     * In all cases, 'start_timestamp' will never be earlier than the genesis block's timestamp,
+     * and 'end_timestamp' will never be later than the current timestamp when the node process the query request.
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse> getBlocks(
         org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetBlocksMethod(), getCallOptions()), request);
     }
 
@@ -763,11 +804,17 @@ public final class QueryGrpc {
      **
      * Count all blocks in a ledger, or blocks in a timestamp range
      * 查询帐本中的所有区块数量，或时间范围内的区块数量
+     * Requirement: start_timestamp &lt;= end_timestamp
+     * If neither 'start_timestamp' nor 'end_timestamp' is specified, then count all blocks in the specified ledger.
+     * If only 'end_timestamp' is not specified, then count all blocks with timestamps later than 'start_timestamp'.
+     * If only 'start_timestamp' is not specified, then count all blocks with timestamps earlier than 'end_timestamp'.
+     * In all cases, 'start_timestamp' will never be earlier than the genesis block's timestamp,
+     * and 'end_timestamp' will never be later than the current timestamp when the node process the query request.
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.QueryProto.CountBlocksResponse> countBlocks(
         org.bdware.bdledger.api.grpc.pb.QueryProto.BlocksRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getCountBlocksMethod(), getCallOptions()), request);
     }
 
@@ -775,12 +822,12 @@ public final class QueryGrpc {
      * <pre>
      **
      * Get recent 'count' blocks (Only support IncludeTransactions=NONE for now)
-     * 查询最新的n个区块
+     * 查询最新的 'count' 个区块
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.QueryProto.GetBlocksResponse> getRecentBlocks(
         org.bdware.bdledger.api.grpc.pb.QueryProto.RecentBlocksRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetRecentBlocksMethod(), getCallOptions()), request);
     }
 
@@ -793,7 +840,7 @@ public final class QueryGrpc {
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashResponse> getTransactionByHash(
         org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByHashRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetTransactionByHashMethod(), getCallOptions()), request);
     }
 
@@ -806,7 +853,7 @@ public final class QueryGrpc {
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexResponse> getTransactionByBlockHashAndIndex(
         org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionByBlockHashAndIndexRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetTransactionByBlockHashAndIndexMethod(), getCallOptions()), request);
     }
 
@@ -815,11 +862,12 @@ public final class QueryGrpc {
      **
      * Get transactions in a timestamp range
      * 查询时间范围内的事务
+     * 'start_timestamp' and 'end_timestamp' follow the same requirements and rules as in 'GetBlocks'.
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.QueryProto.GetTransactionsResponse> getTransactions(
         org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetTransactionsMethod(), getCallOptions()), request);
     }
 
@@ -828,12 +876,12 @@ public final class QueryGrpc {
      **
      * Count all transactions in a ledger, or transactions in a timestamp range
      * 查询帐本中的所有事务数量，或时间范围内的事务数量
-     * start_timestamp is required
+     * 'start_timestamp' and 'end_timestamp' follow the same requirements and rules as in 'CountBlocks'.
      * </pre>
      */
     public com.google.common.util.concurrent.ListenableFuture<org.bdware.bdledger.api.grpc.pb.QueryProto.CountTransactionsResponse> countTransactions(
         org.bdware.bdledger.api.grpc.pb.QueryProto.TransactionsRequest request) {
-      return futureUnaryCall(
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getCountTransactionsMethod(), getCallOptions()), request);
     }
   }

src/test/java/org/bdware/bdledger/api/grpc/ClientTests.java

@@ -94,10 +94,10 @@ class ClientTests {
 
   private static Client client;
 
-//  @BeforeAll
-//  static void initAll() {
-//    client = new Client("localhost", 10000);
-//  }
+ @BeforeAll
+ static void initAll() {
+   client = new Client("localhost", 2401);
+ }
 //
 //  @Test
 //  @DisplayName("ClientVersion#1")

src/test/java/org/bdware/bdledger/api/grpc/Test.java

@@ -0,0 +1,30 @@
+package org.bdware.bdledger.api.grpc;
+
+import org.bdware.bdledger.api.grpc.pb.LedgerProto.*;
+import org.bdware.bdledger.api.grpc.pb.QueryProto.*;
+import com.google.protobuf.ByteString;
+import io.grpc.Status;
+import org.bdware.bdledger.api.grpc.pb.CommonProto.Block;
+import org.bdware.bdledger.api.grpc.pb.CommonProto.Transaction;
+import org.bdware.bdledger.api.grpc.pb.CommonProto.TransactionType;
+import org.bdware.bdledger.api.grpc.pb.LedgerProto.GetLedgersResponse;
+import org.junit.jupiter.api.*;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class Test {
+    public static void main(String[] args) {
+        Client client = new Client("localhost", 2401);
+        GetBlocksResponse res = client.getRecentBlocksSync("test", 0, IncludeTransactions.NONE);
+        System.out.println(res.getBlocks(0).getCreator());
+        System.out.println(res.getBlocks(0).getCreatorSignature());
+        System.out.println(res.getBlocks(0).getWitnesses(0));
+        System.out.println(res.getBlocks(0).getWitnessSignatures(0));
+    }
+}