How to use the angular-l10n.StorageStrategy.Cookie function in angular-l10n

import { OpenIdConfiguration } from './auth/models/auth.configuration';

import { L10nConfig, L10nLoader, TranslationModule, StorageStrategy, ProviderType } from 'angular-l10n';
import { AuthorizationGuard } from './authorization.guard';
import { AuthorizationCanGuard } from './authorization.can.guard';

const l10nConfig: L10nConfig = {
    locale: {
        languages: [
            { code: 'en', dir: 'ltr' },
            { code: 'it', dir: 'ltr' },
            { code: 'fr', dir: 'ltr' },
            { code: 'de', dir: 'ltr' }
        ],
        language: 'en',
        storage: StorageStrategy.Cookie
    },
    translation: {
        providers: [
            { type: ProviderType.Static, prefix: './i18n/locale-' }
        ],
        caching: true,
        missingValue: 'No key'
    }
};

export function loadConfig(oidcConfigService: OidcConfigService) {
    console.log('APP_INITIALIZER STARTING');
    return () => oidcConfigService.load(`${window.location.origin}/api/ClientAppSettings`);
}

@NgModule({

import { L10nConfig, L10nLoader, TranslationModule, StorageStrategy, ProviderType } from 'angular-l10n';
import { AuthorizationGuard } from './authorization.guard';
import { AuthorizationCanGuard } from './authorization.can.guard';

import { OidcConfigService } from './auth/services/oidc.security.config.service';

const l10nConfig: L10nConfig = {
    locale: {
        languages: [
            { code: 'en', dir: 'ltr' },
            { code: 'it', dir: 'ltr' },
            { code: 'fr', dir: 'ltr' },
            { code: 'de', dir: 'ltr' }
        ],
        language: 'en',
        storage: StorageStrategy.Cookie
    },
    translation: {
        providers: [
            { type: ProviderType.Static, prefix: './i18n/locale-' }
        ],
        caching: true,
        missingValue: 'No key'
    }
};

export function loadConfig(oidcConfigService: OidcConfigService) {
    console.log('APP_INITIALIZER STARTING');
    return () => oidcConfigService.load(`${window.location.origin}/api/ClientAppSettings`);
}

@NgModule({

switchMap((config) => oidcConfigService.withConfig(config))
    );

    return () => setupAction$.toPromise();
}

const l10nConfig: L10nConfig = {
    locale: {
        languages: [
            { code: 'en', dir: 'ltr' },
            { code: 'it', dir: 'ltr' },
            { code: 'fr', dir: 'ltr' },
            { code: 'de', dir: 'ltr' }
        ],
        language: 'en',
        storage: StorageStrategy.Cookie
    },
    translation: {
        providers: [
            { type: ProviderType.Static, prefix: './i18n/locale-' }
        ],
        caching: true,
        missingValue: 'No key'
    }
};

@NgModule({
    imports: [
        BrowserModule,
        FormsModule,
        routing,
        HttpClientModule,

hljs.registerLanguage('typescript', typescript);*/

const DEFAULT_ACE_CONFIG: AceConfigInterface = {
};

const l10nConfig: L10nConfig = {
    logger: {
        level: LogLevel.Warn
    },
    locale: {
        languages: [
            { code: 'en', dir: 'ltr' },
            { code: 'it', dir: 'ltr' }
        ],
        language: 'en',
        storage: StorageStrategy.Cookie
    },
    translation: {
        providers: [
            { type: ProviderType.Static, prefix: './assets/locale-' }
        ],
        caching: true,
        composedKeySeparator: '.',
        missingValue: 'No key',
    }
};

@NgModule({
  declarations: [
    AppComponent,
    PageNotFoundComponent,
    SpinnerComponent,