/**
 * 获取浏览器和系统信息
 */
export declare class XYWindow {
    /**
     * 获取系统信息
     * 包含浏览器UA、location、屏幕信息等
     */
    static getSystemInfo(): {
        userAgent?: undefined;
        location?: undefined;
        devicePixelRatio?: undefined;
        screen?: undefined;
    } | {
        userAgent: string;
        location: Location;
        devicePixelRatio: number;
        screen: {
            width: number;
            height: number;
            availWidth: number;
            availHeight: number;
            colorDepth: number;
            pixelDepth: number;
        };
    };
}