code: @Override
      public DescribeAttackResult describeAttack(DescribeAttackRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeAttack(request);
      }
docs: <p>
  Describes the details of a DDoS attack.
  </p>
  
  @param describeAttackRequest
  @return Result of the DescribeAttack operation returned by the service.
  @throws InternalErrorException
  Exception that indicates that a problem occurred with the service infrastructure. You can retry the
  request.
  @throws AccessDeniedException
  Exception that indicates the specified <code>AttackId</code> does not exist, or the requester does not
  have the appropriate permissions to access the <code>AttackId</code>.
  @sample AWSShield.DescribeAttack
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/shield-2016-06-02/DescribeAttack" target="_top">AWS API
  Documentation</a>