Twilio IP Messaging Client Hierarchy Class Hierarchy NSError TWMError NSObject TWMChannel TWMChannels TWMMember TWMMembers TWMMessage TWMMessages TWMResult TWMUserInfo TwilioIPMessagingClient TwilioIPMessagingClientProperties Protocol References TWMChannelDelegate TwilioIPMessagingClientDelegate Constant References TWMChannelStatus TWMChannelSynchronizationStatus TWMChannelType TWMClientSynchronizationStatus TWMClientSynchronizationStrategy TWMLogLevel TWMUserInfoUpdate