@org.apache.thrift.annotation.Nullable
      public static _Fields findByThriftId(int fieldId) {
        switch(fieldId) {
          case 1: // REQUEST_SEQ
            return REQUEST_SEQ;
          case 2: // RESPONSE
            return RESPONSE;
          default:
            return null;
        }
      }
@org.apache.thrift.annotation.Nullable
      public static _Fields findByThriftId(int fieldId)