@Override
    public OptionGroup modifyOptionGroup(ModifyOptionGroupRequest request) {
        request = beforeClientExecution(request);
        return executeModifyOptionGroup(request);
    }
<p>
Modifies an existing option group.
</p>

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