import { TickHandler } from '../misc/TickHandler';
declare const Curves: {
    linear: (ratio: number) => number;
};
export declare type CurveType = keyof typeof Curves;
export declare type PropAnimationDef = {
    duration: number;
    curveType: CurveType;
    onChange: (value: number) => void;
};
declare type PropAnimation = PropAnimationDef & {
    startTs: number;
    endTs: number;
};
export declare class PropAnimator {
    private tickHandler;
    animations: PropAnimation[];
    constructor(tickHandler: TickHandler);
    getTs(): number;
    addAnimation(animation: PropAnimationDef): Promise<void>;
    tick(): void;
}
export {};