import { Writable } from 'node:stream';
import { Buffer } from 'node:buffer';
export declare class StreamWriteFile extends Writable {
    private _stream;
    private _onFinish?;
    constructor(output: string, onFinish?: () => void);
    _write(chunk: Buffer, _: BufferEncoding, callback: (error?: (Error | null)) => void): void;
    _final(callback: (error?: (Error | null)) => void): void;
    _destroy(error: Error, callback: (error?: (Error | null)) => void): void;
}