/**
 * Collect ReadableStream<string> into a single string.
 * Node.js does not support Transferable Streams, so we need to collect the stream first.
 *
 * @internal
 */
export declare function collectStringStream(stream: ReadableStream<string>, signal?: AbortSignal): Promise<string>;
/**
 * Collect ReadableStream<Uint8Array> into a single Uint8Array.
 * Node.js does not support Transferable Streams, so we need to collect the stream first.
 *
 * @internal
 */
export declare function collectUint8ArrayStream(stream: ReadableStream<Uint8Array>, signal?: AbortSignal): Promise<Uint8Array>;