Create a bsl::chrono::duration object having the bsl::ratio<1> duration period and initialized with the specified secs number of seconds.
bsl::chrono::duration
bsl::ratio<1>
secs
Declared in <bslstl_chrono.h>
<bslstl_chrono.h>
constexpr std::chrono::seconds operator""_s(unsigned long long secs);