import {OpaqueToken} from '@angular/core'; /** * A DI Token representing the main rendering context. In a browser this is the DOM Document. * * Note: Document might not be available in the Application Context when Application and Rendering * Contexts are not the same (e.g. when running the application into a Web Worker). */ export const DOCUMENT: OpaqueToken = /*@ts2dart_const*/ new OpaqueToken('DocumentToken');