import { Group } from "../group";
import { Component } from "./Component";
export declare class GridLayout extends Component<Group> {
    private _active;
    private _refresh;
    /**
     * 横向列数。
     *
     * @deprecated 旧命名保留用于兼容。新代码请使用 `col`。
     */
    get row(): number;
    set row(val: number);
    /**
     * 横向列数。
     */
    private _col;
    get col(): number;
    set col(val: number);
    /**
     * 单元格宽度。
     */
    private _gridWidth;
    get gridWidth(): number;
    set gridWidth(val: number);
    /**
     * 单元格高度。
     */
    private _gridHeight;
    get gridHeight(): number;
    set gridHeight(val: number);
    /**
     * 横向间距，作用于 x 轴。
     */
    private _gapHorizontal;
    get gapHorizontal(): number;
    set gapHorizontal(val: number);
    /**
     * 纵向间距，作用于 y 轴。
     */
    private _gapVertical;
    get gapVertical(): number;
    set gapVertical(val: number);
    private resizeLater;
    private handleChildAdded;
    private handleChildRemoved;
    awake(): void;
    private normalizeCount;
    private markResize;
    /**
     * 计算布局
     */
    resize(): void;
    onDestroy(): void;
}