import { InputSocket } from '../core/socket';
import { Packet } from '../core/packet';
/**
 * @see https://nodejs.org/api/fs.html#fs_file_system_flags
 *
 * @see https://nodejs.org/api/buffer.html#buffer_buffers_and_character_encodings
 *
 */
export declare type WritableFileStreamOptions = {
    flags?: string;
    encoding?: string;
    fd?: number;
    mode?: number;
    autoClose?: boolean;
    start?: number;
};
export declare function createBasicWritableFileStreamOptions(append?: boolean, isBinary?: boolean, startBytesOffset?: number, failIfPathExists?: boolean): WritableFileStreamOptions;
/**
 *
{fs.WritableStream} ws
 */
export declare function createPacketHandler(ws: any): ((p: Packet) => boolean);
export declare class NodeFsWriteSocket extends InputSocket {
    /**
     * @see https://nodejs.org/api/stream.html#stream_class_stream_writable
     */
    private stream;
    constructor(filePath: string, options?: WritableFileStreamOptions);
}