@org.apache.thrift.annotation.Nullable
      public static _Fields findByThriftId(int fieldId) {
        switch(fieldId) {
          case 1: // VAR_NAME
            return VAR_NAME;
          case 2: // ACTION
            return ACTION;
          case 3: // MY_ARGS
            return MY_ARGS;
          default:
            return null;
        }
      }
@org.apache.thrift.annotation.Nullable
      public static _Fields findByThriftId(int fieldId)