consul/ui/packages/consul-peerings/app/controllers/dc/peers/show/index.js

import Controller from "@ember/controller";
import { inject as service } from "@ember/service";
import { action } from "@ember/object";

export default class DcPeersEditIndexController extends Controller {
  @service router;

  @action transitionToImported() {
    this.router.replaceWith("dc.peers.show.imported");
  }
}