QMap<PortInfo, DeviceInfo> WaitBlock::usedDevices() const { DeviceInfo const deviceInfo = device(); PortInfo const portInfo = RobotModelUtils::findPort(mRobotModel, port(), deviceInfo.direction()); QMap<PortInfo, DeviceInfo> result; if (!deviceInfo.isNull() && portInfo.isValid()) { result[portInfo] = deviceInfo; } return result; }