import { Injector } from '@angular/core';
/**
 * Allows for retrieving singletons using `AppInjector.get(MyService)` (whereas
 * `ReflectiveInjector.resolveAndCreate(MyService)` would create a new instance
 * of the service).
 */
export declare let AppInjector: Injector;
/**
 * Helper to set the exported {@link AppInjector}, needed as ES6 modules export
 * immutable bindings (see http://2ality.com/2015/07/es6-module-exports.html) for
 * which trying to make changes after using `import {AppInjector}` would throw:
 * 'TS2539: Cannot assign to 'AppInjector' because it is not a variable'.
 */
export declare function setAppInjector(injector: Injector): void;