/**
 * Lightweight runtime type guards shared across modules.
 *
 * Keep this file dependency-free to maximize deduping in bundled builds.
 */
export declare function isReadableStream(value: unknown): value is ReadableStream<unknown>;
export declare function isWritableStream(value: unknown): value is WritableStream<unknown>;
export declare function isAsyncIterable(value: unknown): value is AsyncIterable<unknown>;
export declare function isTransformStream(value: unknown): value is TransformStream<unknown, unknown>;
