# Constants
CodeAuthKeyNotFound means that specified auth key ID cannot be found by the DC.
CodeTransportFlood means that too many transport connections are established to the same IP in a too short lapse of time, or if any of the container/service message limits are reached.
CodeWrongDC means that current DC is wrong.
# Variables
AbridgedClientStart is starting bytes sent by client in Abridged mode.
ErrProtocolHeaderMismatch means that received protocol header is mismatched with expected.
IntermediateClientStart is starting bytes sent by client in Intermediate mode.
PaddedIntermediateClientStart is starting bytes sent by client in Padded intermediate mode.
# Structs
Abridged is intermediate MTProto transport.
Full is full MTProto transport.
Intermediate is intermediate MTProto transport.
NoHeader wraps codec to skip WriteHeader.
PaddedIntermediate is intermediate MTProto transport.
ProtocolErr represents protocol level error.
# Interfaces
Codec is MTProto transport protocol encoding abstraction.
TaggedCodec is codec with protocol tag.