import type { DataTableEmits, DataTableProps } from '../data-table';
import type { UseStateReturned } from './use-state';
/**
 * 转化列为组件所需的数据结构
 * @param props 表格属性
 */
export default function useColumns(props: DataTableProps, emit: DataTableEmits, state: UseStateReturned): {
    /** 多级表头的二维结构 */
    headerRows: any;
    /** 叶子列 */
    leafColumns: any;
    /** 计算列的定位 */
    computePosition: (columns?: any) => void;
    /** 获取列 */
    getColumns: () => any;
};
export type UseColumnsReturned = ReturnType<typeof useColumns>;