src/vs/base/parts/ipc/common/ipc.net.ts/PersistentProtocol/sendDisconnect
class PersistentProtocol:	sendDisconnect(): void {
		const msg = new ProtocolMessage(ProtocolMessageType.Disconnect, 0, 0, getEmptyBuffer());
		this._socketWriter.write(msg);
		this._socketWriter.flush();
	}