import type { DataTableEmits, DataTableProps, DataTreeRow } from '../data-table';
export default function useState(props: DataTableProps, emit: DataTableEmits): {
    store: any;
    /** 全选中 */
    allChecked: any;
    /** 部分选中 */
    someChecked: any;
    /** 子节点key */
    childrenKey: any;
    /** 选中全部数据 */
    checkAll: () => void;
    /** 清除所有选中 */
    clearChecked: () => void;
    /** 切换单项的选中 */
    toggleItemCheck: (row: any, check?: boolean) => void;
    /** 单选切换 */
    toggleSelect: (item: null | any) => void;
    /** 排序 */
    handleSort: (key: string) => void;
    /** 深度优先递归包括data数据 */
    dfsReactive: (arr: any[], depth: number, root?: DataTreeRow) => DataTreeRow[];
    /** 获取扁平数据 */
    getFlatData: (expandRow?: boolean) => void;
};
export type UseStateReturned = ReturnType<typeof useState>;