/**
 * Streams a URL into memory and assembles the received chunks into a single `Blob`.
 *
 * This avoids depending on `response.blob()` and exposes abort support through the provided signal,
 * which is useful when the caller wants tighter control over cancellation during large downloads.
 *
 * @param url Resource URL to fetch.
 * @param signal Optional abort signal forwarded to `fetch`.
 * @returns A blob containing the entire streamed response body.
 */
export declare function urlToBlobChunks(url: string, signal?: AbortSignal): Promise<Blob>;