func (l Listeners) String() string {
	var listenerStrings []string
	for _, listener := range l {
		listenerStrings = append(listenerStrings, listener.String())
	}
	return strings.Join(listenerStrings, ", ")
}
Listeners returns a comma-separated friendly representation of the listeners.
package elbv2
import (
	"fmt"
	"sort"
	"strconv"
	"strings"
	"github.com/aws/aws-sdk-go/aws"
	awselbv2 "github.com/aws/aws-sdk-go/service/elbv2"
	"github.com/awslabs/fargatecli/console"
)
type Listener struct {
	ARN             string
	CertificateARNs []string
	Port            int64
	Protocol        string
	Rules           []Rule
}
func (l Listener) String() string {
	return fmt.Sprintf("%s:%d", l.Protocol, l.Port)
}
type Listeners []Listener