You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: autoscaleList.go
    path of file: ./repos/kubeless/cmd/kubeless/autoscale
    
    the code of the file until where you have to start completion: /*
Copyright 2016 Skippbox, Ltd.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
    http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package autoscale

import (
	"encoding/json"
	"fmt"
	"io"

	"github.com/ghodss/yaml"
	"github.com/gosuri/uitable"
	"github.com/kubeless/kubeless/pkg/utils"
	"github.com/sirupsen/logrus"
	"github.com/spf13/cobra"
	"k8s.io/api/autoscaling/v2beta1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/client-go/kubernetes"
)

var autoscaleListCmd = &cobra.Command{
	Use:     "list FLAG",
	Aliases: []string{"ls"},
	Short:   "list all autoscales in Kubeless",
	Long:    `list all autoscales in Kubeless`,
	Run: func(cmd *cobra.Command, args []string) {
		output, err := cmd.Flags().GetString("out")
		if err != nil {
			logrus.Fatal(err.Error())
		}
		ns, err := cmd.Flags().GetString("na
    
func printAutoscale(w io.Writer, ass []v2beta1.HorizontalPodAutoscaler, output string) error {
	if output == "" {
		table := uitable.New()
		table.MaxColWidth = 50
		table.Wrap = true
		table.AddRow("NAME", "NAMESPACE", "TARGET", "MIN", "MAX", "METRIC", "VALUE")
		for _, i := range ass {
			n := i.Name
			ns := i.Namespace
			ta := i.Spec.ScaleTargetRef.Name
			min := i.Spec.MinReplicas
			max := i.Spec.MaxReplicas
			m := ""
			v := ""
			if len(i.Spec.Metrics) == 0 {
				logrus.Errorf("The autoscale %s has bad format. It has no metric defined.", i.Name)
				continue
			}
			if i.Spec.Metrics[0].Object != nil {
				m = i.Spec.Metrics[0].Object.MetricName
				v = i.Spec.Metrics[0].Object.TargetValue.String()
			} else if i.Spec.Metrics[0].Resource != nil {
				m = string(i.Spec.Metrics[0].Resource.Name)
				v = fmt.Sprint(*i.Spec.Metrics[0].Resource.TargetAverageUtilization)
			}

			table.AddRow(n, ns, ta, fmt.Sprint(*min), fmt.Sprint(max), m, v)
		}
		fmt.Fprintln(w, table)
	} else {
		for _, i := range ass {
			switch output {
			case "json":
				b, err := json.MarshalIndent(i, "", "  ")
				if err != nil {
					return err
				}
				fmt.Fprintln(w, string(b))
			case "yaml":
				b, err := yaml.Marshal(i)
				if err != nil {
					return err
				}
				fmt.Fprintln(w, string(b))
			default:
				return fmt.Errorf("Wrong output format. Only accept json|yaml file")
			}
		}
	}
	return nil
}