code: @Override
      public DescribeVpcEndpointConnectionsResult describeVpcEndpointConnections(DescribeVpcEndpointConnectionsRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeVpcEndpointConnections(request);
      }
docs: <p>
  Describes the VPC endpoint connections to your VPC endpoint services, including any endpoints that are pending
  your acceptance.
  </p>
  
  @param describeVpcEndpointConnectionsRequest
  @return Result of the DescribeVpcEndpointConnections operation returned by the service.
  @sample AmazonEC2.DescribeVpcEndpointConnections
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DescribeVpcEndpointConnections"
  target="_top">AWS API Documentation</a>