import { MenuItemObject, MenuItemId, MenuProps, NavProps, MenuSubmenuProps } from '@befe/brick-comp-menu';
import { ConfiguredComponent } from '@befe/brick-core';
/**
 * @public
 */
export interface SideNavMenuItemObject extends MenuItemObject {
}
type PropsFromMenu = Pick<MenuProps, 'reverseColor' | 'onChangeSelectedIds' | 'onChangeExpandedIds'>;
export interface SideNavProps extends PropsFromMenu, NavProps<SideNavMenuItemObject> {
    /**
     * 自定义 class
     */
    className?: string;
    /**
     * 是否折叠控制值
     */
    collapsed?: boolean;
    /**
     * 是否折叠默认值
     */
    defaultCollapsed?: boolean;
    /**
     * 是否折叠的变化回调
     */
    onChangeCollapsed?: (collapsed: boolean) => void;
    /**
     * 用于在一些特殊情景中指定 menuPopper 的 popup portal 挂在的容器（默认是 `document.body`，了解更多见 [Popup](/components/popup)）
     *
     * e.g
     * [Page](/components/page) 由于屏幕小宽度（isMinWidth）而使 sidebar 进入"屏边抽屉"模式的情况下，
     * 因为鼠标进入 三级 menuPopper 而离开 sidebar 使其呼出的问题，需要将 portal container 指定为 `Sidebar.inner`
     */
    submenuPopperPortalContainer?: MenuSubmenuProps['portalContainer'];
}
interface SideNavState {
    collapsed: boolean;
    menuSelectedIds: MenuItemId[];
    menuExpandedIds: MenuItemId[];
}
export declare class SideNav extends ConfiguredComponent<SideNavProps, SideNavState> {
    static displayName: string;
    static defaultProps: {
        className: string;
        reverseColor: boolean;
        defaultCollapsed: boolean;
    };
    static getDerivedStateFromProps(nextProps: SideNavProps): Partial<SideNavState> | null;
    state: SideNavState;
    constructor(props: SideNavProps);
    get className(): string;
    handleClickToggle: () => void;
    handleChangeSelectedIds: MenuProps['onChangeSelectedIds'];
    handleChangeExpandedIds: MenuProps['onChangeExpandedIds'];
    renderMenuItem: (item: SideNavMenuItemObject, index: number, level?: number) => import("react/jsx-runtime").JSX.Element;
    renderMenu(): import("react/jsx-runtime").JSX.Element | null;
    renderToggle(): import("react/jsx-runtime").JSX.Element;
    render(): import("react/jsx-runtime").JSX.Element;
}
export {};