251             mConferenceById.put(callId, conference);
266                     mConferenceById.remove(callId);
393                 RemoteConference parentConf = mConferenceById.get(connection.getParentCallId());
537             for (RemoteConference c : mConferenceById.values()) {
541             mConferenceById.clear();
550     private final Map<String, RemoteConference> mConferenceById = new HashMap<>();  field in RemoteConnectionService
625             if (mConferenceById.isEmpty()) {  in createRemoteConference()
639                     mConferenceById.remove(id);  in createRemoteConference()
666         if (mConferenceById.containsKey(callId)) {  in findConferenceForAction()
667             return mConferenceById.get(callId);  in findConferenceForAction()
674         if (mConnectionById.isEmpty() && mConferenceById.isEmpty()) {  in maybeDisconnectAdapter()