How to use the angular-l10n.L10nRoutingModule.forRoot function in angular-l10n

],
    imports: [
        BrowserModule,
        FormsModule,
        AppRoutingModule,
        HttpClientModule,
        L10nTranslationModule.forRoot(
            l10nConfig,
            {
                storage: AppStorage,
                translationLoader: HttpTranslationLoader
            }
        ),
        L10nIntlModule,
        L10nValidationModule.forRoot({ validation: LocaleValidation }),
        L10nRoutingModule.forRoot()
    ],
    providers: [
        {
            provide: APP_INITIALIZER,
            useFactory: initL10n,
            deps: [L10nLoader],
            multi: true
        }
    ],
    bootstrap: [AppComponent]
})
export class AppModule { }