declare const _default: {
    ease(t: number, b: number, c: number, d: number): number;
    getStep(destinationPosition: number, startPosition: number, duration: number, timeElapsed: number): number;
    scrollToPositionX(element: HTMLElement, destinationPositionX: number, duration: number): void;
    scrollToPositionY(element: HTMLElement, destinationPositionY: number, duration: number): void;
};
export default _default;