code: @Override
      public java.util.concurrent.Future<CreateInternetGatewayResult> createInternetGatewayAsync(
              com.amazonaws.handlers.AsyncHandler<CreateInternetGatewayRequest, CreateInternetGatewayResult> asyncHandler) {
  
          return createInternetGatewayAsync(new CreateInternetGatewayRequest(), asyncHandler);
      }
docs: Simplified method form for invoking the CreateInternetGateway operation with an AsyncHandler.
  
  @see #createInternetGatewayAsync(CreateInternetGatewayRequest, com.amazonaws.handlers.AsyncHandler)