@Override
	public void writeConfigState(SaveState saveState) {
		removeOldTags(); // don't persist tags that no longer exist
		String tagText = getTagText(excludedTags);
		saveState.putString(getStateKey(), tagText);
	}
This differs from {@link #initializeTags()} in that this method will keep any excluded
tags when updating.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/filters/TagFilter.java