public void writeConfigState(SaveState saveState) {
		// save the selected filters
		Collection<String> allTypes = model.getAllTypes();
		List<String> showingTypes = new ArrayList<>();
		for (String bookmarkType : allTypes) {
			showingTypes.add(bookmarkType);
		}

		String[] strings = showingTypes.toArray(new String[showingTypes.size()]);
		saveState.putStrings(BOOKMARK_TYPES_ELEMENT_NAME, strings);
	}
Size the columns such that the interesting ones are wider than the uninteresting columns.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/bookmark/BookmarkProvider.java