private static void update(DataTypeManager refDTM, DataType sourceDT) {
		int transactionID = refDTM.startTransaction("Update Datatype " + sourceDT.getName());
		try {
			updateAssumingTransactionsOpen(refDTM, sourceDT);
		}
		finally {
			refDTM.endTransaction(transactionID, true);
		}
	}
Creates a DataTypeSynchronizer to be used for synchronizing data types between a program
and an archive.
@param dataTypeManagerHandler the handler that manages all the open data type managers
whether built-in, program, project data type archive or file data type archive.
@param dataTypeManager the program data type manager.
@param source the data type source archive information indicating the associated archive for
synchronizing.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/DataTypeSynchronizer.java