code: func (c *StorageGateway) DeleteGateway(input *DeleteGatewayInput) (*DeleteGatewayOutput, error) {
  	req, out := c.DeleteGatewayRequest(input)
  	return out, req.Send()
  }
docs: // DeleteGateway API operation for AWS Storage Gateway.
  //
  // Deletes a gateway. To specify which gateway to delete, use the Amazon Resource
  // Name (ARN) of the gateway in your request. The operation deletes the gateway;
  // however, it does not delete the gateway virtual machine (VM) from your host
  // computer.
  //
  // After you delete a gateway, you cannot reactivate it. Completed snapshots
  // of the gateway volumes are not deleted upon deleting the gateway, however,
  // pending snapshots will not complete. After you delete a gateway, your next
  // step is to remove it from your environment.
  //
  // You no longer pay software charges after the gateway is deleted; however,
  // your existing Amazon EBS snapshots persist and you will continue to be billed
  // for these snapshots. You can choose to remove all remaining Amazon EBS snapshots
  // by canceling your Amazon EC2 subscription.  If you prefer not to cancel your
  // Amazon EC2 subscription, you can delete your snapshots using the Amazon EC2
  // console. For more information, see the  AWS Storage Gateway Detail Page (http://aws.amazon.com/storagegateway).
  //
  // 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 Storage Gateway's
  // API operation DeleteGateway for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeInvalidGatewayRequestException "InvalidGatewayRequestException"
  //   An exception occurred because an invalid gateway request was issued to the
  //   service. For more information, see the error and message fields.
  //
  //   * ErrCodeInternalServerError "InternalServerError"
  //   An internal server error has occurred during the request. For more information,
  //   see the error and message fields.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/storagegateway-2013-06-30/DeleteGateway