import { TranslateLoader } from '@ngx-translate/core';
import { Observable } from 'rxjs';
export interface LanguageOptions {
    prefix?: string | string[];
    ignoreLibsLocale?: boolean;
}
export declare abstract class LanguageLoaderBase implements TranslateLoader {
    abstract isLoaded$: Observable<boolean>;
    abstract getTranslation(lang: string): Observable<any>;
}