public function createPathBuilder($name, array $options = []) {
		$className = App::className($name, 'Storage/PathBuilder', 'PathBuilder');
		if (!class_exists($className)) {
			$className = App::className('Burzum/FileStorage.' . $name, 'Storage/PathBuilder', 'PathBuilder');
		}

		if (!class_exists($className)) {
			throw new RuntimeException(sprintf('Could not find path builder "%s"!', $name));
		}

		$pathBuilder = new $className($options);
		if (!$pathBuilder instanceof PathBuilderInterface) {
			throw new RuntimeException(sprintf('Path builder class "%s" does not implement the PathBuilderInterface interface!', $name));
		}

		return $this->_pathBuilder = $pathBuilder;
	}