import { XYBounds } from './bounds';
import { PlaneXY } from './plane-xy';
/**
 * 平面坐标范围
 * @remark Represents a rectangular area in plane coordinates.
 */
export declare class PlaneBounds extends XYBounds {
    /**
   * 最小平面坐标
   * @remark The top left corner of the rectangle.
   */
    min: PlaneXY;
    /**
     * 最大平面坐标
     * @remark The bottom right corner of the rectangle.
     */
    max: PlaneXY;
    /**
     * 构造函数
     * @param {PlaneXY | PlaneXY[]} a - 平面坐标或平面坐标数组
     * @param {PlaneXY} b - 平面坐标
     */
    constructor(a?: PlaneXY | PlaneXY[], b?: PlaneXY);
    /**
     * 获取中心点
     * @param {boolean} round - 是否取整
     * @return {PlaneXY} 返回中心点
     */
    getCenter(round?: boolean): PlaneXY;
    /**
   * 获取左下角
   * @return {PlaneXY} 返回左下角
   */
    getBottomLeft(): PlaneXY;
    /**
     * 获取右上角
     * @return {PlaneXY} 返回右上角
     */
    getTopRight(): PlaneXY;
}