import type { Ref } from 'vue';
import type { TreeProps, TreeKey, TreeNode, Tree, TreeNodeData } from '../types';
export declare function useCheck(props: TreeProps, tree: Ref<Tree | undefined>): {
    updateCheckedKeys: () => void;
    toggleCheckbox: (node: TreeNode, isChecked: boolean, nodeClick?: boolean) => void;
    isChecked: (node: TreeNode) => any;
    isIndeterminate: (node: TreeNode) => any;
    setChecked: (key: TreeKey, isChecked: boolean) => void;
    setCheckedKeys: (keys: TreeKey[]) => void;
    getChecked: (leafOnly?: boolean) => {
        keys: TreeKey[];
        nodes: TreeNodeData[];
    };
    getHalfChecked: () => {
        nodes: TreeNodeData[];
        keys: TreeKey[];
    };
    setCheckedAll: () => void;
};