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: flags.go
    path of file: ./repos/istio/pkg/test/framework/components/echo/kube
    
    the code of the file until where you have to start completion: //  Copyright Istio Authors
//
//  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/li
    
func init() {
	flag.StringVar(&serviceTemplateFile, "istio.test.echo.kube.template.service", serviceTemplateFile,
		"Specifies the default template file to be used when generating the Kubernetes Service for an instance of the echo application. "+
			"Can be either an absolute path or relative to the templates directory under the echo test component. A default will be selected if not specified.")
	flag.StringVar(&deploymentTemplateFile, "istio.test.echo.kube.template.deployment", deploymentTemplateFile,
		"Specifies the default template file to be used when generating the Kubernetes Deployment to create an instance of echo application. "+
			"Can be either an absolute path or relative to the templates directory under the echo test component. A default will be selected if not specified.")
	flag.StringVar(&vmDeploymentTemplateFile, "istio.test.echo.kube.template.deployment.vm", vmDeploymentTemplateFile,
		"Specifies the default template file to be used when generating the Kubernetes Deployment to simulate an instance of echo application in a VM. "+
			"Can be either an absolute path or relative to the templates directory under the echo test component. A default will be selected if not specified.")
}