253             mConferenceById.put(callId, conference);
268                     mConferenceById.remove(callId);
395                 RemoteConference parentConf = mConferenceById.get(connection.getParentCallId());
539             for (RemoteConference c : mConferenceById.values()) {
543             mConferenceById.clear();
552     private final Map<String, RemoteConference> mConferenceById = new HashMap<>();  field in RemoteConnectionService
641             if (mConferenceById.isEmpty()) {  in createRemoteConference()
673                     mConferenceById.remove(id);  in createRemoteConference()
700         if (mConferenceById.containsKey(callId)) {  in findConferenceForAction()
701             return mConferenceById.get(callId);  in findConferenceForAction()
708         if (mConnectionById.isEmpty() && mConferenceById.isEmpty()) {  in maybeDisconnectAdapter()