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