import { Writable } from 'stream';
type Chunk = {
    PayloadChunk: {
        Payload: string | Buffer | null;
    };
    InvokeComplete: boolean;
};
export declare class ResponseStream extends Writable {
    private queue;
    private waitingResolve;
    private response;
    constructor();
    _write(chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
    _finish(): void;
    getBufferedData(): Buffer;
    [Symbol.asyncIterator](): AsyncGenerator<Chunk, void, void>;
}
export {};