export interface AnimationRange {
    from: number;
    to: number;
}
export declare type JSAnimationDefinition = {
    getRange: () => AnimationRange;
    curve: (progress: number) => number;
    draw: (value: number) => void;
    condition: () => boolean;
};
export declare function amountFromTo(range: AnimationRange): (t: number) => number;
export declare function animate(durration: number, animations: Array<JSAnimationDefinition>): any;