public function getPublicPackageResourceUri($packageKey, $relativePathAndFilename)
    {
        $this->initialize();

        /** @var TargetInterface $target */
        $target = $this->collections[self::DEFAULT_STATIC_COLLECTION_NAME]->getTarget();
        return $target->getPublicStaticResourceUri($packageKey . '/' . $relativePathAndFilename);
    }