@SdkInternalApi
    final DescribeDBEngineVersionsResult executeDescribeDBEngineVersions(DescribeDBEngineVersionsRequest describeDBEngineVersionsRequest) {

        ExecutionContext executionContext = createExecutionContext(describeDBEngineVersionsRequest);
        AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
        awsRequestMetrics.startEvent(Field.ClientExecuteTime);
        Request<DescribeDBEngineVersionsRequest> request = null;
        Response<DescribeDBEngineVersionsResult> response = null;

        try {
            awsRequestMetrics.startEvent(Field.RequestMarshallTime);
            try {
                request = new DescribeDBEngineVersionsRequestMarshaller().marshall(super.beforeMarshalling(describeDBEngineVersionsRequest));
                // Binds the request metrics to the current request.
                request.setAWSRequestMetrics(awsRequestMetrics);
                request.addHandlerContext(HandlerContextKey.CLIENT_ENDPOINT, endpoint);
                request.addHandlerContext(HandlerContextKey.ENDPOINT_OVERRIDDEN, isEndpointOverridden());
                request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion());
                request.addHandlerContext(HandlerContextKey.SERVICE_ID, "RDS");
                request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "DescribeDBEngineVersions");
                request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig);

            } finally {
                awsRequestMetrics.endEvent(Field.RequestMarshallTime);
            }

            StaxResponseHandler<DescribeDBEngineVersionsResult> responseHandler = new StaxResponseHandler<DescribeDBEngineVersionsResult>(
                    new DescribeDBEngineVersionsResultStaxUnmarshaller());

            response = invoke(request, responseHandler, executionContext);

            return response.getAwsResponse();

        } finally {

            endClientExecution(awsRequestMetrics, request, response);
        }
    }
<p>
Describes the properties of specific versions of DB engines.
</p>

@param describeDBEngineVersionsRequest
@return Result of the DescribeDBEngineVersions operation returned by the service.
@sample AmazonRDS.DescribeDBEngineVersions
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/DescribeDBEngineVersions" target="_top">AWS
     API Documentation</a>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/AmazonRDSClient.java