//! Packet reliability state.
/// Known reliability state for a packet number.
#[derive(Clone, Copy, Debug, Eq, PartialEq)]pubenumPacketState{/// The packet is unknown to the tracker.
Unknown,/// The packet has been sent and is waiting for acknowledgement.
InFlight,/// The packet has been acknowledged.
Acked,/// The packet is considered lost by policy.
Lost,/// The packet was intentionally dropped by policy.
Dropped,}