@see IChat#addUsers(Boolean, User...)

Connect to the chat @throws Exception error if we are not connected

Load a batch of historic messages @param fromDate load messages AFTER this date @param toDate load message TO AND INCLUDING this date @return a strea

Overridable messages reference @return Firestore messages reference

Mute notifications for a user @return completion

@see IChat#removeUsers(User...)

Send a delivery receipt to a user. If delivery receipts are enabled, a 'received' status will be returned as soon as a message type delivered and then

Set the chat image url @param url of group image @return completion

Set the chat name. @param name new name @return completion

Return a Firebase timestamp object @return appropriate server timestamp object

Get a events of the last and all future events. For example in the sequence: 1, 2, [subscribed], 3, 4, 2, 3, 4 would be emitted @return a events of th

Get an observable which type called when the a user type added, removed or updated @return observable

Get a list of members of the chat @return list of users

@param context @param config @param service - Firestore or Realtime service

Join the chat. To join you must already be in the chat roster @param chat to join @return completion

Get a updateBatch of messages once @param fromDate get messages from this date @param toDate get messages until this date @param limit limit the maxim

Get a events of only new events. For example in the sequence: 1, 2, [subscribed], 3, 4, only 3 and 4 would be emitted to teh observer @return a events