import type { MenuDescriptor } from "../CascadingMenuProps";
export type menuState = {
    id: string;
    flipped?: boolean;
    highlightedItemIndex?: number;
    level: number;
    parentId: string | null;
    childMenus: {
        [key: number]: string;
    };
    menuItems: MenuDescriptor[];
};
export type flattenedMenuState = {
    [key: string]: menuState;
};
export declare function deriveFlatStateFromTree(tree: MenuDescriptor, parentId?: string | null, level?: number, generatedId?: string): flattenedMenuState;
export declare function hasSubMenu(item: MenuDescriptor): boolean;
export declare function isMenuItem(item: MenuDescriptor): boolean;
export declare function hasIcon(item: MenuDescriptor): boolean;