- explicit BufferSyncer(const QHash<BufferId, MsgId> &lastSeenMsg, const QHash<BufferId, MsgId> &markerLines, const QHash<BufferId, Message::Types> &activities, const QHash<BufferId, int> &highlightCounts, QObject *parent);
+ explicit BufferSyncer(QHash<BufferId, MsgId> lastSeenMsg, QHash<BufferId, MsgId> markerLines, QHash<BufferId, Message::Types> activities, QHash<BufferId, int> highlightCounts, QObject *parent);