public DescribeDBEngineVersionsResult describeDBEngineVersions(DescribeDBEngineVersionsRequest request) {request = beforeClientExecution(request);return executeDescribeDBEngineVersions(request);}

public virtual DescribeDBEngineVersionsResponse DescribeDBEngineVersions(DescribeDBEngineVersionsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeDBEngineVersionsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeDBEngineVersionsResponseUnmarshaller.Instance;return Invoke<DescribeDBEngineVersionsResponse>(request, options);}
