import type { ChunkManifest } from './types.js';
/**
 * Generates a Service Worker that handles chunk reassembly for large files
 *
 * The generated SW uses YouTube-style streaming with:
 * - ReadableStream for progressive delivery (zero-memory overhead)
 * - Cache-first strategy for individual chunks only
 * - Proper HTTP range request handling
 * - No caching of assembled responses (chunks only)
 *
 * @param manifests - Array of chunk manifests for all chunked files
 * @param baseUrl - Base URL for content delivery
 * @returns Complete Service Worker JavaScript code as a string
 */
export declare function generateChunkReassemblyServiceWorker(manifests: ChunkManifest[], baseUrl: string): string;
/**
 * Generates the HTML script tag to register the Service Worker
 *
 * This implementation fixes the race condition where videos/chunked files
 * would fail to load on first page visit because the browser would request
 * them before the service worker could intercept the requests.
 *
 * Solution: Register SW immediately (not on 'load' event) and dispatch
 * a custom event when ready. Video elements should wait for this event.
 *
 * @param swUrl - URL path to the service worker file
 * @returns HTML script tag as a string
 */
export declare function generateServiceWorkerRegistration(swUrl: string): string;
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