declare global {
    namespace WUP {
        interface PromiseCancel<T> extends Promise<T> {
            /** Call it when you need to stop promise immediately;
             *  @param isFinish finish promise immediately @defaultValue true
             *  @tutorial
             * * isFinish:true - Promise is resolved with true & finish state
             * * isFinish:false - Promise is resolved with false & animation won't archive finish state
             * @returns promise resolved when animation stop process is done */
            stop: (isFinish?: boolean) => Promise<T>;
        }
    }
}
/** Animation function based on window.requestAnimationFrame
 * @param from animate from value
 * @param to animate to value
 * @param ms time of animation
 * @param callback fired on every window.requestAnimationFrame() is fired
 * @param force set `true` to ignore window.matchMedia("(prefers-reduced-motion)")
 * @returns promise with extra functions; resolves `true` when animation is finished or resolves `false` when animation is canceled */
export default function animate(from: number, to: number, ms: number, callback: (v: number, ms: number, isLast: boolean, timeStamp: number) => void, force?: boolean): WUP.PromiseCancel<boolean>;
/** Returns whether user don't 'prefers-reduced-motion' or do based on css-media `@media (prefers-reduced-motion)` */
export declare function isAnimEnabled(): boolean;