import type { ReactNode } from 'react';
import type { CompositeStateReturn } from 'reakit/Composite';
import { useReducedState } from './useReducedState';
export declare function useSidebarState(): SidebarState;
export interface Item {
    uniqueKey: string | number;
    expandable: boolean;
}
export interface SidebarState {
    /** Checks whether the state is reduced or not */
    isReduced: () => boolean;
    /** Checks whether an item is selected or not */
    isSelected: (item: string | number) => boolean;
    /** The selected item */
    selectedItem: Item | null;
    /** Sets the selected item */
    setSelectedItem: (newItem: Item | null) => void;
    /** Checks whether a sidebar item is expandable or not */
    isExpandable: (children: ReactNode) => boolean;
    /**
     * Sidebar's layout controller interface.
     * See `useReducedState` for more information on this.
     */
    layout: ReturnType<typeof useReducedState>;
    /**
     * Sidebar's root composite state.
     * This allows accessible navigation through the Sidebar.
     */
    composite: CompositeStateReturn;
    /**
     * It stores the state of the current selected item, making possible to change the current state on item's hover
     * @private
     */
    selectedItemFallback: Item | null;
    /**
     * Sets the selected item fallback
     * @private
     */
    setSelectedItemFallback: (newItem: Item | null) => void;
}