import { Observable } from 'rxjs';
import { TranslateLoader } from '@ngx-translate/core';
import { AngularFirestore } from '@angular/fire/firestore';
export declare class TranslateFireLoader implements TranslateLoader {
    private readonly db;
    constructor(db: AngularFirestore);
    getTranslation(lang: string, prefix?: string): Observable<any>;
}