import { ColumnType } from '../interface';
/**
 * 扁平化列
 */
export declare const flattenColumns: ({ columns, childrenField }: {
    columns: ColumnType[];
    childrenField?: string | undefined;
}) => {
    level: number;
    columns: ColumnType[];
};
/**
 * 获取表头二维数组
 */
export declare const getHeader2dArray: ({ columns, headerLevel, childrenField }: {
    columns: ColumnType[];
    headerLevel: number;
    childrenField?: string | undefined;
}) => ColumnType[][];
/**
 * 获取列宽
 */
export declare const formatToWpx: (width: number | string) => number;