import type { Ref } from 'vue'; import type { Tree, TreeKey, TreeNode, TreeProps } from '../types'; export declare function useFilter(props: TreeProps, tree: Ref<Tree | undefined>): { hiddenExpandIconKeySet: Ref<Set<TreeKey>>; hiddenNodeKeySet: Ref<Set<TreeKey>>; doFilter: (query: string) => Set<TreeKey> | undefined; isForceHiddenExpandIcon: (node: TreeNode) => boolean; };
