• https://cdn.bootcdn.net/ajax/libs/rxjs/5.5.2/Rx.js
• https://cdn.bootcdn.net/ajax/libs/rxjs/5.5.2/Rx.js.map
• https://cdn.bootcdn.net/ajax/libs/rxjs/5.5.2/Rx.min.js
• https://cdn.bootcdn.net/ajax/libs/rxjs/5.5.2/Rx.min.js.map