@Override
    public DescribeTransitGatewayVpcAttachmentsResult describeTransitGatewayVpcAttachments(DescribeTransitGatewayVpcAttachmentsRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeTransitGatewayVpcAttachments(request);
    }
<p>
Describes one or more VPC attachments. By default, all VPC attachments are described. Alternatively, you can
filter the results.
</p>

@param describeTransitGatewayVpcAttachmentsRequest
@return Result of the DescribeTransitGatewayVpcAttachments operation returned by the service.
@sample AmazonEC2.DescribeTransitGatewayVpcAttachments
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DescribeTransitGatewayVpcAttachments"
     target="_top">AWS API Documentation</a>
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/AmazonEC2Client.java