@Override
      public void start(I iface, changeVariable_args args, org.apache.thrift.async.AsyncMethodCallback<Void> resultHandler) throws org.apache.thrift.TException {
        iface.changeVariable(args.evaluationExpression, args.value,resultHandler);
      }
@Override
      public void start(I iface, changeVariable_args args, org.apache.thrift.async.AsyncMethodCallback<Void> resultHandler)