code: @Override
      public DescribeInternetGatewaysResult describeInternetGateways(DescribeInternetGatewaysRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeInternetGateways(request);
      }
docs: <p>
  Describes one or more of your internet gateways.
  </p>
  
  @param describeInternetGatewaysRequest
  @return Result of the DescribeInternetGateways operation returned by the service.
  @sample AmazonEC2.DescribeInternetGateways
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DescribeInternetGateways" target="_top">AWS
  API Documentation</a>