@java.lang.Override
      public com.google.protobuf.ByteString getUserPayload() {
        return userPayload_;
      }
<code>optional bytes user_payload = 1;</code>
@return The userPayload.
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java