/**
 * Tina4 PWA — Service worker registration and manifest generation.
 *
 * Optional module — tree-shaken away if not imported.
 */
export interface PWAConfig {
    name: string;
    shortName?: string;
    themeColor?: string;
    backgroundColor?: string;
    display?: 'standalone' | 'fullscreen' | 'minimal-ui' | 'browser';
    icon?: string;
    cacheStrategy?: 'cache-first' | 'network-first' | 'stale-while-revalidate';
    precache?: string[];
    offlineRoute?: string;
    /** URL to a pre-built service worker file (e.g. "/sw.js"). When provided, blob: registration is skipped. */
    swUrl?: string;
}
export declare const pwa: {
    register(config: PWAConfig): void;
    /** Generate SW code as a string (for build tools that write sw.js to disk). */
    generateServiceWorker(config: PWAConfig): string;
    /** Generate manifest object (for build tools that write manifest.json to disk). */
    generateManifest(config: PWAConfig): object;
};
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