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: pluginscdn.go
    path of file: ./repos/grafana/pkg/plugins/pluginscdn
    
    the code of the file until where you have to start completion: package pluginscdn

import (
	"errors"
	"strings"

	"github.com/grafana/grafana/pkg/plugins/config"
)

const (
	// cdnAssetPathTemplate is the relative path template used to locate plugin CDN assets
	cdnAssetPath
    
func (s *Service) NewCDNURLConstructor(pluginID, pluginVersion string) URLConstructor {
	return URLConstructor{
		cdnURLTemplate: strings.TrimRight(s.cfg.PluginsCDNURLTemplate, "/") + "/" + cdnAssetPathTemplate,
		pluginID:       pluginID,
		pluginVersion:  pluginVersion,
	}
}