@Override
	public String getProgramArchitectureSummary() {
		if (programArchitecture != null) {
			return getProgramArchitectureSummary(programArchitecture.getLanguage().getLanguageID(),
				programArchitecture.getLanguage().getVersion(),
				programArchitecture.getCompilerSpec().getCompilerSpecID());
		}
		return null;
	}
Read the DB-serialized data organization.  If one has not been stored a suitable
default will be returned.
@return stored data organization or suitable default.
@throws IOException if DB error orccurs
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeManagerDB.java