private PdbDebugInfo parseDBI() throws IOException, PdbException {
		if (debugInfo == null) {
			PdbDebugInfoParser dbiParser = new PdbDebugInfoParser();
			debugInfo = dbiParser.parse(this);
		}
		return debugInfo;
	}
Deserializes the sub-streams for this {@link AbstractPdb} object
@throws IOException on file seek or read, invalid parameters, bad file configuration, or
 inability to read required bytes
@throws PdbException upon error in processing components
@throws CancelledException upon user cancellation
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/AbstractPdb.java