import { Ref } from 'vue';

/**
 * @description: 计算列数及每列的 top 值
 * @param {Function} wrapperWidthHandler 获取盒子父元素宽度的函数
 * @param {number | () => number} colWidth 列宽
 * @param {number | () => number} gap 间隔
 * @return {ColumnsAndTop} { finalWidth, finalGap, columns, wrapperWidth, topOfEveryColumn, updateColumnsAndTop }
 */
export default function useColumnsAndTop(wrapperWidthHandler: () => number, colWidth: number | (() => number), gap: number | (() => number)): ColumnsAndTop;
type ColumnsAndTop = {
    finalWidth: Ref<number>;
    finalGap: Ref<number>;
    columns: Ref<number>;
    wrapperWidth: Ref<number>;
    topOfEveryColumn: Ref<number[]>;
    updateColumnsAndTop: () => void;
};
export {};