import { type Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class TuiFormatDateService {
    protected readonly locale: string;
    format(timestamp: number): Observable<string>;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiFormatDateService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TuiFormatDateService>;
}