ChatContactManagerDeprecated extension Null safety

on

Methods

addContactManagerListener(ChatContactManagerListener listener) → void: Registers a new contact manager listener.
@Deprecated("Use addEventHandler to instead")
clearContactManagerListeners() → void: Removes all contact manager listeners.
@Deprecated("Use #clearEventHandlers to instead")
removeContactManagerListener(ChatContactManagerListener listener) → void: Removes the contact manager listener.
@Deprecated("Use #removeEventHandler to instead")