static void emitLine(StringBuilder builder, Address address, SymbolPath path) {
		builder.append(String.format("%16s %10s\n",
			address == null ? "<unk_addr>" : address.toString(), path.toString()));
	}
Returns the address of the function in memory, if set
@return the address; can be {@code null}
Ghidra/Features/PDB/src/main/java/ghidra/app/util/pdb/classtype/PlaceholderVirtualFunctionTableEntry.java