import React from "react";
interface BackToTopProps {
    size?: number;
    position?: "top-left" | "top-right" | "bottom-left" | "bottom-right";
    backgroundColor?: string;
    textColor?: string;
    icon?: React.ReactNode;
    scrollThreshold?: number;
    transitionDuration?: number;
}
declare const BackToTop: React.FC<BackToTopProps>;
export default BackToTop;