45 std::chrono::nanoseconds makeNanosFromUint64(uint64_t nanoseconds) {  in makeNanosFromUint64()  argument
46     constexpr auto kMaxCount = std::chrono::nanoseconds::max().count();  in makeNanosFromUint64()
47     using CommonType = std::common_type_t<std::chrono::nanoseconds::rep, uint64_t>;  in makeNanosFromUint64()
48     const auto count = std::min<CommonType>(kMaxCount, nanoseconds);  in makeNanosFromUint64()
49     return std::chrono::nanoseconds{static_cast<std::chrono::nanoseconds::rep>(count)};  in makeNanosFromUint64()
52 uint64_t makeUint64FromNanos(std::chrono::nanoseconds nanoseconds) {  in makeUint64FromNanos()  argument
53     if (nanoseconds < std::chrono::nanoseconds::zero()) {  in makeUint64FromNanos()
57     using CommonType = std::common_type_t<std::chrono::nanoseconds::rep, uint64_t>;  in makeUint64FromNanos()
58     const auto count = std::min<CommonType>(kMaxCount, nanoseconds.count());  in makeUint64FromNanos()
272             constexpr auto kZeroNano = std::chrono::nanoseconds::zero();  in unvalidatedConvert()
295         case Discriminator::nanoseconds:  in unvalidatedConvert()
296             return Duration(optionalTimeoutDuration.nanoseconds());  in unvalidatedConvert()
611         constexpr auto kZeroNano = std::chrono::nanoseconds::zero();  in unvalidatedConvert()
630         ret.nanoseconds(count);  in unvalidatedConvert()