public static Set<String> getUsers()
    {
        final Set<String> ret = new HashSet<>();
        for (final UserSession userSession : RegistryManager.getCache().values()) {
            ret.add(userSession.getUserName());
        }
        return ret;
    }
public static Set<String> getUsers()
    {
        final Set<String> ret = new HashSet<>();
        for (final UserSession userSession : RegistryManager.getCache().values()) {
            ret.add(userSession.getUserName());
        }
        return ret;
    }
public static Set < String > getUsers ( ) { final Set < String > ret = new HashSet <> ( ) ; for ( final UserSession userSession : RegistryManager . getCache ( ) . values ( ) ) { ret . add ( userSession . getUserName ( ) ) ; } return ret ; }
Gets the users.

@return the users
Gets the users .