/**
 * Browser information utilities - detailed device and browser data collection
 */
/**
 * Get current page URL
 */
export declare function getCurrentUrl(): string;
/**
 * Get referrer URL
 */
export declare function getReferrer(): string | undefined;
/**
 * Get user agent string
 */
export declare function getUserAgent(): string | undefined;
/**
 * Parse user agent to extract browser info
 */
export declare function getBrowserInfo(): {
    name: string;
    version: string;
    fullVersion: string;
};
/**
 * Get operating system information
 */
export declare function getOSInfo(): {
    name: string;
    version: string;
    mobile: boolean;
    device?: undefined;
} | {
    name: string;
    version: string;
    mobile: boolean;
    device: string;
};
/**
 * Get device type
 */
export declare function getDeviceType(): 'mobile' | 'tablet' | 'desktop';
/**
 * Get network information
 */
export declare function getNetworkInfo(): {
    effectiveType: any;
    downlink: any;
    rtt: any;
    saveData: any;
} | null;
/**
 * Get battery status
 */
export declare function getBatteryInfo(): Promise<{
    charging: any;
    level: number;
    chargingTime: any;
    dischargingTime: any;
} | null>;
/**
 * Check if user is using ad blocker
 */
export declare function hasAdBlocker(): boolean;
/**
 * Get locale and language preferences
 */
export declare function getLocaleInfo(): {
    language: string;
    languages: readonly string[];
    timezone: string;
    timezoneOffset: number;
};
/**
 * Get device memory (if available)
 */
export declare function getDeviceMemory(): number | null;
/**
 * Get hardware concurrency (CPU cores)
 */
export declare function getHardwareConcurrency(): number | null;
/**
 * Get max touch points
 */
export declare function getMaxTouchPoints(): number;
/**
 * Check if cookies are enabled
 */
export declare function areCookiesEnabled(): boolean;
/**
 * Get Do Not Track setting
 */
export declare function getDoNotTrack(): string | null;
/**
 * Get comprehensive device context
 */
export declare function getDeviceContext(): Promise<{
    browser: {
        name: string;
        version: string;
        fullVersion: string;
    };
    os: {
        name: string;
        version: string;
        mobile: boolean;
        device?: undefined;
    } | {
        name: string;
        version: string;
        mobile: boolean;
        device: string;
    };
    deviceType: "mobile" | "tablet" | "desktop";
    network: {
        effectiveType: any;
        downlink: any;
        rtt: any;
        saveData: any;
    } | null;
    battery: {
        charging: any;
        level: number;
        chargingTime: any;
        dischargingTime: any;
    } | null;
    locale: {
        language: string;
        languages: readonly string[];
        timezone: string;
        timezoneOffset: number;
    };
    hardware: {
        memory: number | null;
        cpuCores: number | null;
        touchPoints: number;
    };
    privacy: {
        cookiesEnabled: boolean;
        doNotTrack: string | null;
        adBlocker: boolean;
    };
}>;
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