/**
 * Collects page metadata at submission time.
 */
export interface PageMetadata {
    url: string;
    viewport: {
        width: number;
        height: number;
    };
    userAgent: string;
    darkMode: boolean;
    timestamp: string;
    screen: {
        width: number;
        height: number;
        devicePixelRatio: number;
    };
    accessibility: {
        reducedMotion: boolean;
        highContrast: boolean;
        forcedColors: boolean;
    };
    language: string;
}
/**
 * SSR-safe wrapper around window.matchMedia.
 * Returns false if matchMedia is unavailable.
 */
export declare function mediaMatches(query: string): boolean;
export declare function collectMetadata(): PageMetadata;
//# sourceMappingURL=metadata.d.ts.map