Parameter hint popup incorrectly shows implicitly-deleted copy constructor.

class StartPingAction
{
    QString                         _hostname;
    quint16                         _port;
    int                             _intervalMsecs;
    int                             _pingTimeoutMsecs;
    std::unique_ptr<QTimer>         _timer;
    std::unique_ptr<TcpPortTester>  _pinger;
    ILog                            *_log;

public:
    StartPingAction() = default;
    StartPingAction(QString hostname,
                    quint16 port,
                    int     intervalMsecs,
                    int     pingTimeoutMsecs,
                    ILog    *log);
}