@Override
    public DescribeOptionGroupsResult describeOptionGroups(DescribeOptionGroupsRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeOptionGroups(request);
    }
<p>
Describes the available option groups.
</p>

@param describeOptionGroupsRequest
@return Result of the DescribeOptionGroups operation returned by the service.
@throws OptionGroupNotFoundException
        The specified option group could not be found.
@sample AmazonRDS.DescribeOptionGroups
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/DescribeOptionGroups" target="_top">AWS API
     Documentation</a>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/AmazonRDSClient.java