/** copied from https://github.com/langchain-ai/langgraphjs/tree/main/libs/sdk/src/utils */
type IterableReadableStreamInterface<T> = ReadableStream<T> & AsyncIterable<T>;
export declare class IterableReadableStream<T> extends ReadableStream<T> implements IterableReadableStreamInterface<T> {
    [Symbol.asyncDispose]: () => Promise<void>;
    /** @ts-ignore */
    reader: ReadableStreamDefaultReader<T>;
    ensureReader(): void;
    next(): Promise<IteratorResult<T>>;
    return(): Promise<IteratorResult<T>>;
    throw(e: any): Promise<IteratorResult<T>>;
    [Symbol.asyncIterator](): this;
    static fromReadableStream<T>(stream: ReadableStream<T>): IterableReadableStream<T>;
    static fromAsyncGenerator<T>(generator: AsyncGenerator<T>): IterableReadableStream<T>;
}
export {};