@Override
    public DescribeRulesResult describeRules(DescribeRulesRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeRules(request);
    }
<p>
Describes the specified rules or the rules for the specified listener. You must specify either a listener or one
or more rules.
</p>

@param describeRulesRequest
@return Result of the DescribeRules operation returned by the service.
@throws ListenerNotFoundException
        The specified listener does not exist.
@throws RuleNotFoundException
        The specified rule does not exist.
@throws UnsupportedProtocolException
        The specified protocol is not supported.
@sample AmazonElasticLoadBalancing.DescribeRules
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticloadbalancingv2-2015-12-01/DescribeRules"
     target="_top">AWS API Documentation</a>
aws-java-sdk-elasticloadbalancingv2/src/main/java/com/amazonaws/services/elasticloadbalancingv2/AmazonElasticLoadBalancingClient.java