public function __construct(DynamicHub $hub)
 {
     $this->hub = $hub;
     $this->dir = $hub->getDataFolder() . "data/json/";
     $this->playerDir = $this->dir . "players/";
     $this->nextIdFile = $this->dir . "nextId.txt";
     $this->nextId = is_file($this->dir) ? Binary::readLong(file_get_contents($this->dir . $this->nextIdFile)) : 0;
 }