void summary_save_prefs_to_folderitem
(SummaryView *summaryview, FolderItem *item);
void summaryview_export_mbox_list (SummaryView *summaryview);
+void summaryview_lock(SummaryView *summaryview, FolderItem *item);
+void summaryview_unlock(SummaryView *summaryview, FolderItem *item);
+
#endif /* __SUMMARY_H__ */