SaveState save() {
		SaveState ss = new SaveState(name);
		ss.putBoolean(IS_TYPE_ACTIVE_KEY, isTypeActive);
		ss.putBoolean(IS_TYPE_DEF_ACTIVE_KEY, isTypeDefActive);
		return ss;
	}
A class that holds enabled state for a type and related typedefs.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/tree/DtTypeFilter.java