@Override
	protected String getSymbolTypeName() {
		return String.format("UNKNOWN_SYMBOL (0X%04X)", unknownPdbId);
	}
Returns the data of this symbol (we do not know how to interpret it yet).
@return {@code byte[]} data.
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/symbol/UnknownMsSymbol.java