std::vector<std::wstring> RecursiveParseNameOrQualifiedName(Iterator& begin, Iterator end) {
    std::vector<std::wstring> retval;
    retval.push_back(begin->Codepoints);
    CheckedIncrement(begin, end); // The only place that can legitimately expect end of input is namespace contents.
    while(begin->type == Wide::Lexer::TokenType::Dot) {
        CheckedIncrement(begin, end);
        if (begin->type != Wide::Lexer::TokenType::Identifier)
            Wide::ParserExceptionBuilder(*begin) << L"Expected 'identifier' after '.'";
        retval.push_back(begin->Codepoints);
        CheckedIncrement(begin, end);
    }
    return retval;
}