signals:
void lastSeenMsgSet(BufferId buffer, const MsgId &msgId);
void markerLineSet(BufferId buffer, const MsgId &msgId);
void bufferRemoved(BufferId buffer);
void bufferRenamed(BufferId buffer, QString newName);
void buffersPermanentlyMerged(BufferId buffer1, BufferId buffer2);
signals:
void lastSeenMsgSet(BufferId buffer, const MsgId &msgId);
void markerLineSet(BufferId buffer, const MsgId &msgId);
void bufferRemoved(BufferId buffer);
void bufferRenamed(BufferId buffer, QString newName);
void buffersPermanentlyMerged(BufferId buffer1, BufferId buffer2);