import type { CascaderConfig, default as CascaderNode } from './node';
export declare const getMenuIndex: (el: HTMLElement) => number;
export declare const checkNode: (el: HTMLElement) => void;
export declare const sortByOriginalOrder: (oldNodes: CascaderNode[], newNodes: CascaderNode[]) => CascaderNode[];
export declare const normalizeCheckStrictly: (checkStrictly: CascaderConfig["checkStrictly"]) => boolean;