How to use ionic-cache - 3 common examples

import { ApiConnectorProvider } from '../providers/api-connector/api-connector';
import { ComponentsModule } from "../components/components.module";
import { LoadingProvider } from '../providers/loading/loading';
import { ApiProvider } from '../providers/api/api';
import { HttpClientModule } from "@angular/common/http";
@NgModule({
  declarations: [
    MyApp,
    HomePage,
    MovieDetailPage
  ],
  imports: [
    BrowserModule,
    HttpClientModule,
    IonicModule.forRoot(MyApp),
    CacheModule.forRoot(),
    ComponentsModule,
  ],
  bootstrap: [IonicApp],
  entryComponents: [
    MyApp,
    HomePage,
    MovieDetailPage
  ],
  providers: [
    StatusBar,
    SplashScreen,
    {provide: ErrorHandler, useClass: IonicErrorHandler},
    ApiConnectorProvider,
    LoadingProvider,
    ApiProvider,
  ]

return new TranslateHttpLoader(http,'./assets/i18n/', '.json');
}



@NgModule({
  declarations: [
    MyApp
  ],
  exports: [
    TranslateModule
  ],
  imports: [
    BrowserModule,
    IonicModule.forRoot(MyApp),
    CacheModule.forRoot({ keyPrefix: 'UCL-cache' }),
    IonicStorageModule.forRoot(),
    HttpModule,
    HttpClientModule,
    TranslateModule.forRoot({
        loader: {
            provide: TranslateLoader,
            useFactory: HttpLoaderFactory,
            deps: [HttpClient]
        }
    })
  ],
  bootstrap: [IonicApp],
  entryComponents: [
    MyApp
  ],
  providers: [

projectId: "star-warnic",
  storageBucket: "star-warnic.appspot.com",
  messagingSenderId: "459136741480"
};

@NgModule({
  declarations: [
    MyApp,
  ],
  imports: [
    BrowserModule,
    HttpModule,
    IonicModule.forRoot(MyApp, {
      preloadModules: true
    }),
    CacheModule.forRoot(),
    IonicStorageModule.forRoot(),
    AngularFireModule.initializeApp(firebaseConfig),
    AngularFireAuthModule,
    AngularFireDatabaseModule
  ],
  bootstrap: [IonicApp],
  entryComponents: [
    MyApp,
  ],
  providers: [
    AppState,
    StatusBar,
    SplashScreen,
    Shake,
    NativeAudio,
    GoogleImagesProvider,