import { PipeTransform } from '@angular/core';
import { Observable } from 'rxjs';
import { easing } from './easings';
import * as i0 from "@angular/core";
export declare class TweenPipe implements PipeTransform {
    last: number | undefined;
    transform(value: number, duration?: number, easing?: easing): Observable<number>;
    static ɵfac: i0.ɵɵFactoryDeclaration<TweenPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<TweenPipe, "tween", true>;
}