pub const NANOS_IN_A_MICROSECOND: u128 = 1_000;
pub const NANOS_IN_A_MILLISECOND: u128 = 1_000_000;
pub const NANOS_IN_A_SECOND: u128 = 1_000_000_000;
pub const NANOS_IN_A_MINUTE: u128 = NANOS_IN_A_SECOND * 60;
pub const NANOS_IN_AN_HOUR: u128 = NANOS_IN_A_MINUTE * 60;
pub const NANOS_IN_A_DAY: u128 = NANOS_IN_AN_HOUR * 24;
pub const NANOS_IN_A_WEEK: u128 = NANOS_IN_A_DAY * 7;