createInboundSession
fun createInboundSession(preKeyMessage: OlmMessage.PreKey.Bytes, theirIdentityKey: Curve25519PublicKey = preKeyMessage.sessionKeys.identityKey): Account.InboundSessionCreationResult<ByteArray>
fun createInboundSession(preKeyMessage: OlmMessage.PreKey.Text, theirIdentityKey: Curve25519PublicKey = preKeyMessage.sessionKeys.identityKey): Account.InboundSessionCreationResult<String>