angular-cn/modules/@angular/upgrade/src/constants.ts

export const NG2_COMPILER = 'ng2.Compiler';
export const NG2_INJECTOR = 'ng2.Injector';
export const NG2_COMPONENT_FACTORY_REF_MAP = 'ng2.ComponentFactoryRefMap';
export const NG2_ZONE = 'ng2.NgZone';

export const NG1_CONTROLLER = '$controller';
export const NG1_SCOPE = '$scope';
export const NG1_ROOT_SCOPE = '$rootScope';
export const NG1_COMPILE = '$compile';
export const NG1_HTTP_BACKEND = '$httpBackend';
export const NG1_INJECTOR = '$injector';
export const NG1_PARSE = '$parse';
export const NG1_TEMPLATE_CACHE = '$templateCache';
export const NG1_TESTABILITY = '$$testability';
export const REQUIRE_INJECTOR = '^' + NG2_INJECTOR;