NotificationService

class MyComponent {  constructor(private notificationService: NotificationService) {}  save() {    this.notificationService        .success(_('asset.notify-create-assets-success'), {          count: successCount,        });  }}```ts title="Signature"class NotificationService {    constructor(i18nService: I18nService, resolver: ComponentFactoryResolver, overlayHostService: OverlayHostService)    success(message: string, translationVars?: { [key: string]: string | number }) => void;    info(message: string, translationVars?: { [key: string]: string | number }) => void;    warning(message: string, translationVars?: { [key: string]: string | number }) => void;    error(message: string, translationVars?: { [key: string]: string | number }) => void;    notify(config: ToastConfig) => void;}