/**
 *
 * This file may have been modified by Bytedance Inc. (“Bytedance Inc.'s Modifications”). 
 * All Bytedance Inc.'s Modifications are Copyright (year) Bytedance Inc..  
 * 
 * This source code is licensed under the Apache license.
 * See LICENSE file in the project root for license information.
 *
 */
import * as React from 'react';
export interface BackTopProps {
    visibilityHeight?: number;
    onClick?: React.MouseEventHandler<HTMLElement>;
    target?: () => HTMLElement | Window | Document;
    prefixCls?: string;
    children?: React.ReactNode;
    className?: string;
    style?: React.CSSProperties;
    duration?: number;
    visible?: boolean;
}
declare const _default: React.NamedExoticComponent<BackTopProps>;
export default _default;