1pub const NS_IN_SEC: i64 = 1_000_000_000; 2 3pub const NS_IN_MIN: i64 = NS_IN_SEC * 60; 4 5pub const NS_IN_HOUR: i64 = NS_IN_MIN * 60; 6 7pub const NS_IN_DAY: i64 = NS_IN_HOUR * 24; 8 9pub const NS_IN_30_DAYS: i64 = NS_IN_DAY * 30;