code: @Override
      public DescribeVpcEndpointConnectionNotificationsResult describeVpcEndpointConnectionNotifications(DescribeVpcEndpointConnectionNotificationsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeVpcEndpointConnectionNotifications(request);
      }
docs: <p>
  Describes the connection notifications for VPC endpoints and VPC endpoint services.
  </p>
  
  @param describeVpcEndpointConnectionNotificationsRequest
  @return Result of the DescribeVpcEndpointConnectionNotifications operation returned by the service.
  @sample AmazonEC2.DescribeVpcEndpointConnectionNotifications
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DescribeVpcEndpointConnectionNotifications"
  target="_top">AWS API Documentation</a>