public void categoryChanged(long categoryID, ProgramEvent eventType, Object oldValue,
			Object newValue) {
		if (recordChanges) {
			((DataTypeArchiveDBChangeSet) changeSet).categoryChanged(categoryID);
		}
		changed = true;
		fireEvent(new ProgramChangeRecord(eventType, oldValue, newValue));
	}
Notification that a category was changed.
@param categoryID the id of the data type that was added.
@param eventType the type of change
@param oldValue old value depends on the type.
@param newValue new value depends on the type.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/DataTypeArchiveDB.java