19 [[nodiscard]] time_t
fromString(std::span<const char, 24> s);
21 [[nodiscard]] std::string
toString(time_t time);
constexpr time_t adjustTimeT(time_t time)
std::string toString(time_t time)
time_t fromString(std::span< const char, 24 > s)
constexpr time_t INVALID_TIME_T