# Functions
New creates a new instance of the out-of-band service.
# Constants
HandshakeReuseAcceptedMsgType is the '@type' for the reuse-accepted message.
HandshakeReuseMsgType is the '@type' for the reuse message.
InvitationMsgType is the '@type' for the invitation message.
Name of this protocol service.
OldInvitationMsgType is the `@type` for the old invitation message.
PIURI is the Out-of-Band protocol's protocol instance URI.
StateNameAwaitResponse is the state where a sender or a receiver are awaiting a response.
StateNameDone is the final state.
StateNameInitial is the initial state.
StateNamePrepareResponse is the state where a receiver is preparing a response to the sender.
# Structs
Action contains helpful information about action.
HandshakeReuse is this protocol's 'handshake-reuse' message.
HandshakeReuseAccepted is this protocol's 'handshake-reuse-accepted' message.
Invitation is this protocol's `invitation` message.
Service implements the Out-Of-Band protocol.