protected void dumpVersionSignatureAge(Writer writer) throws IOException {
		writer.write("DirectoryHeader---------------------------------------------");
		writer.write("\nversionNumber: " + versionNumber);
		writer.write("\nsignature: " + Integer.toHexString(signature));
		writer.write("\nage: " + pdbAge);
		writer.write("\nEnd DirectoryHeader-----------------------------------------");
	}
Dumps the Version Signature and Age to Writer.  This package-protected method is for
debugging only
@param writer the writer
@throws IOException upon issue with writing to the writer
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/AbstractPdb.java