code: func InstallHandlers(r *router.Router, mw router.MiddlewareChain) {
  	mw = mw.Extend(func(c *router.Context, next router.Handler) {
  		// Install the config interface and services.
  		c.Context = withInterface(c.Context, newInterface(c.Context))
  		c.Context = withProjServer(c.Context, &rpc.Projects{})
  		c.Context = withVMsServer(c.Context, &rpc.Config{})
  		next(c)
  	})
  	r.GET("/internal/cron/import-config", mw, importHandler)
  }
docs: // InstallHandlers installs HTTP request handlers into the given router.