public AccountService(ConnectionsManager connectionsManager, 
     IUsersRepository usersRepository,
     CommandBuilder commandBuilder)
 {
     _commandBuilder = commandBuilder;
     _connectionsManager = connectionsManager;
     _usersRepository = usersRepository;
     _connectionsManager.CommandRecieved += _connectionsManager_OnCommandRecieved;
 }
 public VoiceManager(ConnectionsManager connectionsManager, 
     IUsersRepository usersRepository,
     IPushSender pushSender,
     CommandBuilder commandBuilder)
 {
     _commandBuilder = commandBuilder;
     _connectionsManager = connectionsManager;
     _usersRepository = usersRepository;
     _pushSender = pushSender;
     _connectionsManager.CommandRecieved += _connectionsManager_OnCommandRecieved;
 }