/// <summary>
        /// <para>Returns descriptions for existing application versions.</para>
        /// </summary>
        ///
        /// <param name="describeApplicationVersionsRequest">Container for the necessary parameters to execute the DescribeApplicationVersions service
        ///           method on AmazonElasticBeanstalk.</param>
        ///
        /// <returns>The response from the DescribeApplicationVersions service method, as returned by AmazonElasticBeanstalk.</returns>
        ///
        public DescribeApplicationVersionsResponse DescribeApplicationVersions(DescribeApplicationVersionsRequest describeApplicationVersionsRequest)
        {
            IRequest <DescribeApplicationVersionsRequest> request  = new DescribeApplicationVersionsRequestMarshaller().Marshall(describeApplicationVersionsRequest);
            DescribeApplicationVersionsResponse           response = Invoke <DescribeApplicationVersionsRequest, DescribeApplicationVersionsResponse> (request, this.signer, DescribeApplicationVersionsResponseUnmarshaller.GetInstance());

            return(response);
        }
        public override void Invoke(AWSCredentials creds, RegionEndpoint region, int maxItems)
        {
            AmazonElasticBeanstalkConfig config = new AmazonElasticBeanstalkConfig();

            config.RegionEndpoint = region;
            ConfigureClient(config);
            AmazonElasticBeanstalkClient client = new AmazonElasticBeanstalkClient(creds, config);

            DescribeApplicationVersionsResponse resp = new DescribeApplicationVersionsResponse();
            DescribeApplicationVersionsRequest  req  = new DescribeApplicationVersionsRequest
            {
            };

            resp = client.DescribeApplicationVersions(req);
            CheckError(resp.HttpStatusCode, "200");

            foreach (var obj in resp.ApplicationVersions)
            {
                AddObject(obj);
            }
        }