import * as moment from 'moment';
import { PipeTransform } from '@angular/core';
import { NgxMomentOptions } from './moment-options';
import * as ɵngcc0 from '@angular/core';
export declare class DurationPipe implements PipeTransform {
    allowedUnits: Array<string>;
    constructor(momentOptions?: NgxMomentOptions);
    transform(value: moment.DurationInputArg1, ...args: string[]): string;
    private _applyOptions;
    static ɵfac: ɵngcc0.ɵɵFactoryDeclaration<DurationPipe, [{ optional: true; }]>;
    static ɵpipe: ɵngcc0.ɵɵPipeDeclaration<DurationPipe, "amDuration">;
}

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