@Override
    public DescribeSubscriptionResult describeSubscription(DescribeSubscriptionRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeSubscription(request);
    }
<p>
Provides details about the Shield Advanced subscription for an account.
</p>

@param describeSubscriptionRequest
@return Result of the DescribeSubscription operation returned by the service.
@throws InternalErrorException
        Exception that indicates that a problem occurred with the service infrastructure. You can retry the
        request.
@throws ResourceNotFoundException
        Exception indicating the specified resource does not exist. If available, this exception includes details
        in additional properties.
@sample AWSShield.DescribeSubscription
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/shield-2016-06-02/DescribeSubscription" target="_top">AWS
     API Documentation</a>
aws-java-sdk-shield/src/main/java/com/amazonaws/services/shield/AWSShieldClient.java