public List<Location> getUnresolvedSymbols() {
		return new ArrayList<Location>(unresolvedSymbols);
	}
Returns a list of symbols that could not be resolved in the end.
Note that the domain file and function entry point will be null for all these.
@return a list of symbols that could not be resolved in the end
Ghidra/Features/FunctionID/src/main/java/ghidra/feature/fid/service/FidPopulateResult.java