import type { Awaitable } from "./Awaitable";
export type ChunkTransformer<T> = (chunks: T[], ctrl: TransformStreamDefaultController<T>) => Awaitable<T[]>;
/**
 * Creates a TransformStream that processes chunks using provided transformers.
 *
 * @template T - The type of chunk that the TransformStream will process.
 *
 * @param {Object} options - The options object containing transformer functions.
 * @param {ChunkTransformer<T>} [options.start] - The transformer function to run when the stream is started.
 * @param {ChunkTransformer<T>} [options.transform] - The transformer function to run for each chunk, current chunk will be the last element.
 * @param {ChunkTransformer<T>} [options.flush] - The transformer function to run when the stream is flushed.
 *
 * @returns A new TransformStream that applies the provided transformers.
 */
export declare function chunkTransforms<T>(options: {
    start?: ChunkTransformer<T>;
    transform?: ChunkTransformer<T>;
    flush?: ChunkTransformer<T>;
}): TransformStream<T, T>;