@Override
	public DataType findDataTypeForID(UniversalID datatypeID) {
		SourceArchive localSA = getLocalSourceArchive();
		DataType dt = getDataType(localSA, datatypeID);
		if (dt != null) {
			return dt;
		}
		for (SourceArchive sa : getSourceArchives()) {
			if (sa != localSA) {
				dt = getDataType(sa, datatypeID);
				if (dt != null) {
					return dt;
				}
			}
		}
		return null;
	}
Notification when data type settings have changed.
@param dt data type that is changed
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeManagerDB.java