import { Terminal, ITerminalAddon } from 'xterm';
interface IAttachOptions {
    bidirectional?: boolean;
}
export declare class AttachAddon implements ITerminalAddon {
    private _socket;
    private _bidirectional;
    private _disposables;
    constructor(socket: WebSocket, options?: IAttachOptions);
    activate(terminal: Terminal): void;
    dispose(): void;
    private _sendData;
    private _sendBinary;
}
export {};