next-ucap-messenger/projects/ucap-webmessenger-app/src/app/services/index.ts

import { AppService } from './app.service';
import { AppAuthenticationService } from './authentication.service';
import { AppLoaderService } from './loader.service';
import { AppNotificationService } from './notification.service';

export const SERVICES = [
  AppService,
  AppAuthenticationService,
  AppLoaderService,
  AppNotificationService
];