import React from 'react';
declare type ItemEventHandler = (event: 'show' | 'hide' | 'hover') => void;
interface SubMenuItemProps {
    popup?: React.ReactElement | (() => React.ReactElement);
    popupVisible?: boolean;
    onItemEvent?: ItemEventHandler;
}
interface SubMenuItemState {
    showPopup: boolean;
    hovered: boolean;
}
export declare class SubMenuItem extends React.PureComponent<SubMenuItemProps, SubMenuItemState> {
    state: {
        showPopup: boolean;
        hovered: boolean;
    };
    showPopup: (visible: boolean) => void;
    onHover: (e: React.MouseEvent<Element, MouseEvent>) => void;
    render(): JSX.Element;
}
interface MenuItemProps {
    onItemEvent?: ItemEventHandler;
}
interface MenuItemState {
}
export declare class MenuItem extends React.PureComponent<MenuItemProps, MenuItemState> {
    onHover: (e: React.MouseEvent<Element, MouseEvent>) => void;
    render(): JSX.Element;
}
interface MenuProps {
    children?: React.ReactElement[];
}
interface MenuState {
    subMenuKey: string;
}
export declare class Menu extends React.PureComponent<MenuProps, MenuState> {
    state: MenuState;
    _visibleCallbackMap: Map<string, ItemEventHandler>;
    _getVisibleCallback(key: string): ItemEventHandler;
    render(): JSX.Element;
}
interface PopupProps {
    children: React.ReactElement;
    popup: React.ReactElement | (() => React.ReactElement);
    trigger?: ('click' | 'hover' | 'contextMenu')[];
    popupVisible?: boolean;
    onPopupVisibleChange?: (visible: boolean) => void;
    popupAlign?: any;
}
interface PopupState {
    showPopup: boolean;
}
export declare class Popup extends React.PureComponent<PopupProps, PopupState> {
    state: {
        showPopup: boolean;
    };
    showPopup: (visible: boolean) => void;
    onBodyKeydown: (e: KeyboardEvent) => void;
    render(): JSX.Element;
    componentWillUnmount(): void;
}
export {};