public static com.google.protobuf.Parser<TerminateFragmentRequestProto> parser() {
      return PARSER;
    }
<code>optional string fragment_identifier_string = 2;</code>
@param value The bytes for fragmentIdentifierString to set.
@return This builder for chaining.
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java