long ret = bindings.ExpiryTime_from_duration(duration);
Reference.reachabilityFence(duration);
if (ret >= 0 && ret <= 4096) { return null; }
long ret = bindings.ExpiryTime_from_duration(duration);
Reference.reachabilityFence(duration);
if (ret >= 0 && ret <= 4096) { return null; }