@Override
    public DescribeStaleSecurityGroupsResult describeStaleSecurityGroups(DescribeStaleSecurityGroupsRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeStaleSecurityGroups(request);
    }
<p>
Describes the stale security group rules for security groups in a specified VPC. Rules are stale when they
reference a deleted security group in the same VPC or peered VPC. Rules can also be stale if they reference a
security group in a peer VPC for which the VPC peering connection has been deleted.
</p>

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