define(['external'], function (external) { 'use strict'; class Foo extends external.Component { constructor () { super(); this.isFoo = true; } } class Bar extends external.Component { constructor () { super(); this.isBar = true; } } class Baz extends external.Component { constructor () { super(); this.isBaz = true; } } const foo = new Foo(); const bar = new Bar(); const baz = new Baz(); });