DanaKirsh

import RESTAdapter from 'ember-data/adapters/rest';

export default class extends RESTAdapter {
  ajax(path, method, options) {    
    return {
      myModels: [{
        id: 1,
        name: 'Model 1'
      }]
    };

DanaKirsh

import Component from '@glimmer/component';
import { tracked } from '@glimmer/tracking';

export default class extends Component {
  @tracked count = 0;
  
  constructor() {
    super(...arguments);
    this.count++;
  }

DanaKirsh

import Controller from '@ember/controller';
import { tracked } from '@glimmer/tracking';

export default class MyRouteController extends Controller {
  count = 0;
}