src/vs/server/node/extensionHostConnection.ts/ExtensionHostConnection/acceptReconnection
class ExtensionHostConnection:	public acceptReconnection(remoteAddress: string, _socket: NodeSocket | WebSocketNodeSocket, initialDataChunk: VSBuffer): void {
		this._remoteAddress = remoteAddress;
		this._log(`The client has reconnected.`);
		const connectionData = new ConnectionData(_socket, initialDataChunk);

		if (!this._extensionHostProcess) {
			// The extension host didn't even start up yet
			this._connectionData = connectionData;
			return;
		}

		this._sendSocketToExtensionHost(this._extensionHostProcess, connectionData);
	}