AgoraChatManager constructor
      
      AgoraChatManager(
    
    
- AgoraChatEventHandler handler, {
- required ChatCallKitStateChange stateChange,
- MessageWillSendHandler? messageWillSendHandler,
Implementation
AgoraChatManager(
  this.handler, {
  required ChatCallKitStateChange stateChange,
  MessageWillSendHandler? messageWillSendHandler,
}) {
  registerChatEvent();
  onMessageWillSend = messageWillSendHandler;
  model = ChatCallKitCallModel(stateChanged: stateChange);
}