public Task<DescribeConfigurationSettingsResponse> DescribeConfigurationSettingsAsync(DescribeConfigurationSettingsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeConfigurationSettingsRequestMarshaller();
var unmarshaller = DescribeConfigurationSettingsResponseUnmarshaller.Instance;
return InvokeAsync<DescribeConfigurationSettingsRequest,DescribeConfigurationSettingsResponse>(request, marshaller,
unmarshaller, cancellationToken);
}