/**
 * 平台检测工具
 * 用于检测设备特性、系统版本等
 */
/**
 * 设备类型
 */
export declare enum DeviceType {
    PHONE = "phone",
    TABLET = "tablet",
    FOLDABLE = "foldable",
    UNKNOWN = "unknown"
}
/**
 * 折叠状态
 */
export declare enum FoldState {
    FOLDED = "folded",
    UNFOLDED = "unfolded",
    HALF_FOLDED = "half_folded",
    UNKNOWN = "unknown"
}
/**
 * 设备信息
 */
export interface DeviceInfo {
    type: DeviceType;
    isTablet: boolean;
    isFoldable: boolean;
    screenSize: {
        width: number;
        height: number;
        scale: number;
        fontScale: number;
    };
    aspectRatio: number;
    isLandscape: boolean;
}
/**
 * 系统版本信息
 */
export interface SystemVersion {
    platform: 'ios' | 'android';
    version: number;
    isAndroid14Plus: boolean;
    isIOS17Plus: boolean;
}
/**
 * 平台检测器类
 */
export declare class PlatformDetector {
    private static deviceInfo;
    private static systemVersion;
    /**
     * 获取系统版本信息
     */
    static getSystemVersion(): SystemVersion;
    /**
     * 获取设备信息
     */
    static getDeviceInfo(): DeviceInfo;
    /**
     * 检测折叠屏设备
     */
    private static detectFoldable;
    /**
     * 检测当前折叠状态（需要原生支持）
     */
    static getFoldState(): FoldState;
    /**
     * 是否为 iPad
     */
    static isIPad(): boolean;
    /**
     * 是否支持多任务
     */
    static supportsMultitasking(): boolean;
    /**
     * 是否需要 Android 14+ 新权限流程
     */
    static needsAndroid14Permissions(): boolean;
    /**
     * 是否支持 iOS 17+ 新特性
     */
    static supportsiOS17Features(): boolean;
    /**
     * 监听屏幕尺寸变化（折叠屏展开/折叠）
     */
    static addDimensionChangeListener(callback: (info: DeviceInfo) => void): () => void;
    /**
     * 重置缓存（用于测试或强制刷新）
     */
    static resetCache(): void;
}
/**
 * 便捷的导出函数
 */
export declare const isAndroid14Plus: () => boolean;
export declare const isiOS17Plus: () => boolean;
export declare const isTablet: () => boolean;
export declare const isFoldable: () => boolean;
export declare const isIPad: () => boolean;
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