import { SeekableOutputSocket, OutputSocket } from '../core/socket';
/**
 * @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 ReadableFileStreamOptions = {
    flags?: string;
    encoding?: string;
    fd?: number;
    mode?: number;
    autoClose?: boolean;
    start?: number;
    end?: number;
    highWaterMark?: number;
};
export declare class NodeFsReadSocket extends OutputSocket implements SeekableOutputSocket {
    /**
     * @see https://nodejs.org/api/stream.html#stream_class_stream_readable
     */
    private stream;
    private options;
    private absFilePath;
    constructor(filePath: string, options?: ReadableFileStreamOptions);
    seek(start?: number, end?: number): boolean;
    private _onReadable;
    private _drainPoll;
    private _onOpen;
    private _onClose;
    private _onEos;
    private _onReady;
    private _onError;
    private _seekStreamToRange;
}