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