protected function setRoot(EntityInterface $entity): void
    {
        if (!$entity->file_exists() || !$entity->is_dir()) {
            throw new Exception('Root directory is not valid');
        }

        $this->root = $entity;
    }
protected function setRoot(EntityInterface $entity): void
    {
        if (!$entity->file_exists() || !$entity->is_dir()) {
            throw new Exception('Root directory is not valid');
        }

        $this->root = $entity;
    }
protected function setRoot ( EntityInterface $ entity ) : void { if ( ! $ entity -> file_exists ( ) || ! $ entity -> is_dir ( ) ) { throw new Exception ( 'Root directory is not valid' ) ; } $ this -> root = $ entity ; }
Init root.
Init root .