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        com.google.devtools.cloudtrace.v2.TruncatableString, com.google.devtools.cloudtrace.v2.TruncatableString.Builder, com.google.devtools.cloudtrace.v2.TruncatableStringOrBuilder> 
        getStringValueFieldBuilder() {
      if (stringValueBuilder_ == null) {
        if (!(valueCase_ == 1)) {
          value_ = com.google.devtools.cloudtrace.v2.TruncatableString.getDefaultInstance();
        }
        stringValueBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
            com.google.devtools.cloudtrace.v2.TruncatableString, com.google.devtools.cloudtrace.v2.TruncatableString.Builder, com.google.devtools.cloudtrace.v2.TruncatableStringOrBuilder>(
                (com.google.devtools.cloudtrace.v2.TruncatableString) value_,
                getParentForChildren(),
                isClean());
        value_ = null;
      }
      valueCase_ = 1;
      onChanged();;
      return stringValueBuilder_;
    }

    /**
     * <pre>
     * A 64-bit signed integer.
     * </pre>
     *
     * <code>int64 int_value = 2;</code>
     */
    public long getIntValue() {
      if (valueCase_ == 2) {
        return (java.lang.Long) value_;
      }
      return 0L;
    }
    /**
     * <pre>
     * A 64-bit signed integer.
     * </pre>
     *
     * <code>int64 int_value = 2;</code>
     */
    public Builder setIntValue(long value) {
      valueCase_ = 2;
      value_ = value;
      onChanged();
      return this;
    }
    /**
     * <pre>
     * A 64-bit signed integer.
     * </pre>
     *
     * <code>int64 int_value = 2;</code>
     */
    public Builder clearIntValue() {
      if (valueCase_ == 2) {
        valueCase_ = 0;
        value_ = null;
        onChanged();
      }
      return this;
    }

    /**
     * <pre>
     * A Boolean value represented by `true` or `false`.
     * </pre>
     *
     * <code>bool bool_value = 3;</code>
     */
    public boolean getBoolValue() {
      if (valueCase_ == 3) {
        return (java.lang.Boolean) value_;
      }
      return false;
    }
    /**
     * <pre>
     * A Boolean value represented by `true` or `false`.
     * </pre>
     *
     * <code>bool bool_value = 3;</code>
     */
    public Builder setBoolValue(boolean value) {
      valueCase_ = 3;
      value_ = value;
      onChanged();
      return this;
    }
    /**
     * <pre>
     * A Boolean value represented by `true` or `false`.
     * </pre>
     *
     * <code>bool bool_value = 3;</code>
     */
    public Builder clearBoolValue() {
      if (valueCase_ == 3) {
        valueCase_ = 0;
        value_ = null;
        onChanged();
      }
      return this;
    }
    @java.lang.Override
    public final Builder setUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFieldsProto3(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }


    // @@protoc_insertion_point(builder_scope:google.devtools.cloudtrace.v2.AttributeValue)
  }

  // @@protoc_insertion_point(class_scope:google.devtools.cloudtrace.v2.AttributeValue)
  private static final com.google.devtools.cloudtrace.v2.AttributeValue DEFAULT_INSTANCE;
  static {
    DEFAULT_INSTANCE = new com.google.devtools.cloudtrace.v2.AttributeValue();
  }

  public static com.google.devtools.cloudtrace.v2.AttributeValue getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<AttributeValue>
      PARSER = new com.google.protobuf.AbstractParser<AttributeValue>() {
    @java.lang.Override
    public AttributeValue parsePartialFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return new AttributeValue(input, extensionRegistry);
    }
  };

  public static com.google.protobuf.Parser<AttributeValue> parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser<AttributeValue> getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.devtools.cloudtrace.v2.AttributeValue getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }

}

