src/vs/base/parts/ipc/common/ipc.net.ts/PersistentProtocol/endAcceptReconnection
class PersistentProtocol:	public endAcceptReconnection(): void {
		this._isReconnecting = false;

		// After a reconnection, let the other party know (again) which messages have been received.
		// (perhaps the other party didn't receive a previous ACK)
		this._incomingAckId = this._incomingMsgId;
		const msg = new ProtocolMessage(ProtocolMessageType.Ack, 0, this._incomingAckId, getEmptyBuffer());
		this._socketWriter.write(msg);

		// Send again all unacknowledged messages
		const toSend = this._outgoingUnackMsg.toArray();
		for (let i = 0, len = toSend.length; i < len; i++) {
			this._socketWriter.write(toSend[i]);
		}
		this._recvAckCheck();
	}