docs: func (c *StorageGateway) DeleteGatewayRequest(input *DeleteGatewayInput) (req *request.Request, output *DeleteGatewayOutput) {
  	op := &request.Operation{
  		Name:       opDeleteGateway,
  		HTTPMethod: "POST",
  		HTTPPath:   "/",
  	}
  
  	if input == nil {
  		input = &DeleteGatewayInput{}
  	}
  
  	output = &DeleteGatewayOutput{}
  	req = c.newRequest(op, input, output)
  	return
  }