import React from 'react';
export interface PortalAffixProps {
    children: React.ReactElement | React.ReactElement[];
    visible: boolean;
    width: string;
    prefixCls: string;
    top: string;
    left: string;
    className?: string;
    fadeEffect?: boolean;
}
declare const _default: React.ForwardRefExoticComponent<PortalAffixProps & React.RefAttributes<HTMLDivElement>>;
export default _default;