import { PipeTransform } from '@angular/core';
import * as i0 from "@angular/core";
export declare class FormatDurationPipe implements PipeTransform {
    /**
     * @inheritDoc
     */
    transform(durationSeconds: number): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<FormatDurationPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<FormatDurationPipe, "formatDuration">;
}