import { XY } from './xy';
/**
 * 坐标范围
 * @remark Represents a rectangular area in plane or pixel coordinates.
 */
export declare abstract class XYBounds {
    /**
   * 最小坐标
   * @remark The top left corner of the rectangle.
   */
    min: XY;
    /**
   * 最大坐标
   * @remark The bottom right corner of the rectangle.
   */
    max: XY;
    /**
     * 构造函数
     * @param {XY | XY[]} a - 坐标或坐标数组
     * @param {XY} b - 坐标
     */
    constructor(a?: XY | XY[], b?: XY);
    /**
   * 扩展坐标范围
   * @param {XY | XYBounds} obj - 坐标或坐标范围
   * @return {LatLngBounds} 返回坐标范围
   */
    extend(obj: XY | XYBounds): XYBounds;
    /**
   * 获取中心点
   * @return {XY} 返回中心点XY
   */
    abstract getCenter(round?: boolean): XY;
    /**
   * 获取左下角
   * @return {XY} 返回左下角XY
   */
    abstract getBottomLeft(): XY;
    /**
   * 获取右上角
   * @return {XY} 返回右上角XY
   */
    abstract getTopRight(): XY;
    /**
   * 获取左上角
   * @return {XY} 返回左上角XY
   */
    getTopLeft(): XY;
    /**
   * 获取右下角
   * @return {XY} 返回右下角XY
   */
    getBottomRight(): XY;
    /**
     * 获取范围大小XY
     * @return {XY} 返回范围大小XY
     */
    getSize(): XY;
    /**
     * 判断是否包含坐标或坐标范围
     * @param {XYBounds | XY} obj - 坐标或坐标范围
     * @return {boolean} 返回是否包含
     */
    contains(obj: XYBounds | XY): boolean;
    /**
     * 判断是否与另一经纬度范围有交叉
     * @param {LatLngBounds} obj - 经纬度范围
     * @return {boolean} 返回是否交叉
     */
    intersects(bounds: XYBounds): boolean;
    /**
     * 判断是否与另一坐标范围有叠盖
     * @param {XYBounds} obj - 经纬度范围
     * @return {boolean} 返回是否叠盖
     */
    overlaps(bounds: XYBounds): boolean;
    /**
     * 判断坐标范围是否有效
     * @return {boolean} 返回是否有效
     */
    isValid(): boolean;
}