code: func (c *ConfigService) DescribeDeliveryChannels(input *DescribeDeliveryChannelsInput) (*DescribeDeliveryChannelsOutput, error) {
  	req, out := c.DescribeDeliveryChannelsRequest(input)
  	return out, req.Send()
  }
docs: // DescribeDeliveryChannels API operation for AWS Config.
  //
  // Returns details about the specified delivery channel. If a delivery channel
  // is not specified, this action returns the details of all delivery channels
  // associated with the account.
  //
  // Currently, you can specify only one delivery channel per region in your account.
  //
  // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
  // with awserr.Error's Code and Message methods to get detailed information about
  // the error.
  //
  // See the AWS API reference guide for AWS Config's
  // API operation DescribeDeliveryChannels for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeNoSuchDeliveryChannelException "NoSuchDeliveryChannelException"
  //   You have specified a delivery channel that does not exist.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/config-2014-11-12/DescribeDeliveryChannels