Spatie\MediaLibrary\Conversion\ConversionCollection::getConversionsFiles PHP Method

    public function getConversionsFiles(string $collectionName = '') : ConversionCollection
    {
        return $this->getConversions($collectionName)->map(function (Conversion $conversion) {
            return $conversion->getName() . '.' . $conversion->getResultExtension();
        });
    }