code: AmqpClient closeOkConnection(Continuation callback, ErrorHandler error) {
          Object[] args = {};
          AmqpBuffer bodyArg = null;
  
          String methodName = "closeOkConnection";
          String methodId = "10" + "50";
          AmqpMethod amqpMethod = MethodLookup.LookupMethod(methodId);
          Object[] arguments = {this, amqpMethod, this.id, args, bodyArg};
          asyncClient.enqueueAction(methodName, "write", arguments, callback, error);
          return this;
      }
docs: Sends a CloseOkConnection to server.
  
  @param callback
  @param error
  @return AmqpClient