import React from 'react';
import { DivProps, DefineElement } from '../../types';
import { TransitionBaseProps } from '../transitionBase';
export interface OverlayBaseProps extends DivProps {
    /** 模态的容器元素，默认为document.body */
    container?: DefineElement<HTMLElement>;
    /** 同{@link container}，但会在useEffect后取值，且只会执行一次 */
    effectContainer?: DefineElement<HTMLElement>;
    /**
     * @enum {true} 跟随父组件强制渲染
     * @enum {false} 打开时渲染，关闭后销毁
     * @enum {undefined} 第一次打开时渲染，跟随父组件销毁
     * 默认为`undefined`
     */
    forceRender?: boolean | undefined;
    open?: boolean;
    onMaskClick?: React.MouseEventHandler<HTMLDivElement>;
    /** 是否只显示一层遮罩，默认为true */
    singleLayer?: boolean;
    onOpened?(): void;
    onClosed?(): void;
    maskProps?: TransitionBaseProps<HTMLDivElement>;
    /** 遮罩层打开时是否移除当前焦点，默认为`true` */
    removeFocusOnOpen?: boolean;
}
export declare const overlayBaseTransitionDuration = 300;
export declare function OverlayBase({ container, effectContainer, forceRender, open, onMaskClick, singleLayer, onOpened, onClosed, maskProps, removeFocusOnOpen, ...props }: OverlayBaseProps): false | React.ReactPortal | null | undefined;