private void refreshBookmarkTypes() {
		Iterator<BookmarkType> it = typesByName.values().iterator();
		while (it.hasNext()) {
			BookmarkTypeDB type = (BookmarkTypeDB) it.next();
			type.setHasBookmarks(bookmarkAdapter.hasTable(type.getTypeId()));
		}
	}
Invalidate cached objects held by this manager.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/bookmark/BookmarkDBManager.java