AbstractFileSet::__construct PHP Метод

    function __construct($fileset = null)
    {
        if ($fileset !== null && $fileset instanceof FileSet) {
            $this->dir = $fileset->dir;
            $this->defaultPatterns = $fileset->defaultPatterns;
            $this->additionalPatterns = $fileset->additionalPatterns;
            $this->useDefaultExcludes = $fileset->useDefaultExcludes;
            $this->isCaseSensitive = $fileset->isCaseSensitive;
            $this->selectors = $fileset->selectors;
        }
        $this->defaultPatterns = new PatternSet();
    }

 public function __construct($dirset = null)
 {
     parent::__construct($dirset);
 }