@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      if (((bitField0_ & 0x00000001) != 0)) {
        output.writeMessage(1, getWorkSpec());
      }
      if (((bitField0_ & 0x00000002) != 0)) {
        output.writeBytes(2, workSpecSignature_);
      }
      if (((bitField0_ & 0x00000004) != 0)) {
        output.writeInt32(3, fragmentNumber_);
      }
      if (((bitField0_ & 0x00000008) != 0)) {
        output.writeInt32(4, attemptNumber_);
      }
      if (((bitField0_ & 0x00000010) != 0)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 5, containerIdString_);
      }
      if (((bitField0_ & 0x00000020) != 0)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 6, amHost_);
      }
      if (((bitField0_ & 0x00000040) != 0)) {
        output.writeInt32(7, amPort_);
      }
      if (((bitField0_ & 0x00000080) != 0)) {
        output.writeBytes(8, credentialsBinary_);
      }
      if (((bitField0_ & 0x00000100) != 0)) {
        output.writeMessage(9, getFragmentRuntimeInfo());
      }
      if (((bitField0_ & 0x00000200) != 0)) {
        output.writeBytes(10, initialEventBytes_);
      }
      if (((bitField0_ & 0x00000400) != 0)) {
        output.writeBytes(11, initialEventSignature_);
      }
      if (((bitField0_ & 0x00000800) != 0)) {
        output.writeBool(12, isGuaranteed_);
      }
      if (((bitField0_ & 0x00001000) != 0)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 13, jwt_);
      }
      if (((bitField0_ & 0x00002000) != 0)) {
        output.writeBool(14, isExternalClientRequest_);
      }
      getUnknownFields().writeTo(output);
    }
<code>optional bool is_external_client_request = 14 [default = false];</code>
@return The isExternalClientRequest.
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java