app.module.ts

import { BackgroundMode } from '@ionic-native/background-mode';
import { Geolocation } from '@ionic-native/geolocation';
import { LocalNotifications } from '@ionic-native/local-notifications';
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@NgModule({
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  providers: [
    StatusBar,
    SplashScreen,
    {provide: ErrorHandler, useClass: IonicErrorHandler},
    BackgroundMode,
    Geolocation,
    LocalNotifications
  ]
})
export class AppModule {}