import type { Ref } from 'vue';
import type { CascaderNode } from './type';
export declare const useSelectedPath: (dataTree: Ref<CascaderNode[]>, { nodesMap, expandChild }: {
    nodesMap: Map<string, CascaderNode>;
    expandChild: Ref<boolean>;
}) => {
    renderColumns: import("vue").ComputedRef<CascaderNode[][]>;
    selectedPath: Ref<string[], string[]>;
    setSelectedPath: (nodeKey?: string) => void;
    activeKey: Ref<string | undefined, string | undefined>;
    setActiveKey: (nodeKey?: string) => void;
};