ConversationEnded indicates that the peer ended the secure conversation.

NewKeys indicates that a key exchange has completed.

SMPComplete indicates that an authentication completed.

SMPFailed indicates that an authentication failed.

SMPSecretNeeded indicates that the peer has started an authentication and that we need to supply a secret.

ErrorPrefix can be used to make an OTR error by appending an error message to it.

QueryMessage can be sent to a peer to start an OTR conversation.

Conversation represents a relation with a peer.

SecurityChange describes a change in the security state of a Conversation.