public void dataTypeAdded(long dataTypeID, ProgramEvent eventType, Object oldValue,
			Object newValue) {
		if (recordChanges) {
			((ProgramDBChangeSet) changeSet).dataTypeAdded(dataTypeID);
		}
		changed = true;
		fireEvent(new ProgramChangeRecord(eventType, null, null, null, oldValue, newValue));
	}
Notification that a datatype was added.
@param dataTypeID the id if the datatype that was added.
@param eventType should always be DATATYPE_ADDED
@param oldValue always null
@param newValue the datatype added.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/ProgramDB.java