code: @Override
      public DescribePoliciesResult describePolicies(DescribePoliciesRequest request) {
          request = beforeClientExecution(request);
          return executeDescribePolicies(request);
      }
docs: <p>
  Describes the policies for the specified Auto Scaling group.
  </p>
  
  @param describePoliciesRequest
  @return Result of the DescribePolicies operation returned by the service.
  @throws InvalidNextTokenException
  The <code>NextToken</code> value is not valid.
  @throws ResourceContentionException
  You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
  group, instance, or load balancer).
  @throws ServiceLinkedRoleFailureException
  The service-linked role is not yet ready for use.
  @sample AmazonAutoScaling.DescribePolicies
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/autoscaling-2011-01-01/DescribePolicies" target="_top">AWS
  API Documentation</a>