public function getConverter()
    {
        if ($this->_converter === null) {
            $this->_converter = Reaction::create(AssetConverter::class);
        } elseif (is_array($this->_converter) || is_string($this->_converter)) {
            if (is_array($this->_converter) && !isset($this->_converter['class'])) {
                $this->_converter['class'] = AssetConverter::class;
            }
            $this->_converter = Reaction::create($this->_converter);
        }

        return $this->_converter;
    }