import { SidebarGroup, SidebarItemMapper } from './typings';
import { SidebarItemState } from '../SidebarItem';
export declare class SidebarGroupState implements SidebarGroup {
    private store;
    /**
     * @alias addSidebar
     * @chainable
     */
    add(item: SidebarItemState): this;
    /**
     * @description remove all sidebars
     * @chainable
     */
    clear(): this;
    /**
     * @description iterate over all sidebars
     */
    map(handler: SidebarItemMapper): any[];
}