text: // RUN: %check_clang_tidy -std=c++14-or-later %s readability-magic-numbers %t --
  
  namespace std {
    class string {};
    using size_t = decltype(sizeof(int));
    string operator ""s(const char *, std::size_t);
    int operator "" s(unsigned long long);
  }
  
  void UserDefinedLiteral() {
    using std::operator ""s;
    "Hello World"s;
    const int i = 3600s;
    int j = 3600s;
    // CHECK-MESSAGES: :[[@LINE-1]]:11: warning: 3600s is a magic number; consider replacing it with a named constant [readability-magic-numbers]
  }
  