/**
 * If the `globalThis` has a [`TransformStream`](https://developer.mozilla.org/en-US/docs/Web/API/TransformStream), or if the `node:stream/web` package has a `TransformStream`, then the `TransformStream` constructor.
 * Otherwise referencing it will throw a `ReferenceError`.
 *
 * - Browser
 * References the `globalThis.TransformStream`
 *
 * - Deno
 * References the `globalThis.TransformStream`
 *
 * - Node.js 18.0+
 * References the `globalThis.TransformStream`
 *
 * - Node.js 15.7+ or 14.18+
 * References the [`TransformStream`](https://nodejs.org/api/webstreams.html#class-transformstream) of `node:stream/web` package
 */
declare let _TransformStream: {
    prototype: TransformStream;
    new <I, O>(transformer?: Transformer<I, O>, writableStrategy?: QueuingStrategy<I>, readableStrategy?: QueuingStrategy<O>): TransformStream<I, O>;
};
export { _TransformStream };