/**
  * @return string
  */
 protected function getHomeDir()
 {
     if (!isset(self::$homeDir)) {
         $fs = new FilesystemHelper();
         self::$homeDir = $fs->getHomeDirectory();
     }
     return self::$homeDir;
 }
 /**
  * @return string
  */
 protected function getHomeDir()
 {
     if (!isset(self::$homeDir)) {
         self::$homeDir = FilesystemHelper::getHomeDirectory();
     }
     return self::$homeDir;
 }