protected void deserializeVersionSignatureAge(PdbByteReader reader) throws PdbException {
		versionNumber = reader.parseInt();
		signature = reader.parseInt();
		pdbAge = reader.parseInt();
	}
Deserializes the Version, Signature, and Age
@param reader {@link PdbByteReader} from which to deserialize the data
@throws PdbException upon not enough data left to parse
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/AbstractPdb.java