setMediaThumbnailSizes example

$this->setFixtureContext($this->context);
        $media = $this->getJpgWithFolder();

        $criteria = new Criteria([$media->getId()]);
        $criteria->addAssociation('mediaFolder.configuration.mediaThumbnailSizes');
        /** @var MediaEntity $media */
        $media = $this->mediaRepository->search($criteria, $this->context)->get($media->getId());

        static::assertInstanceOf(MediaFolderEntity::class, $media->getMediaFolder());
        static::assertInstanceOf(MediaFolderConfigurationEntity::class, $media->getMediaFolder()->getConfiguration());

        $media->getMediaFolder()->getConfiguration()->setMediaThumbnailSizes(
            new MediaThumbnailSizeCollection([
                (new MediaThumbnailSizeEntity())->assign([
                    'id' => Uuid::randomHex(),
                    'width' => 1530,
                    'height' => 1530,
                ]),
            ])
        );
        $media->getMediaFolder()->getConfiguration()->setThumbnailQuality(100);

        $filePath = $this->urlGenerator->getRelativeMediaUrl($media);
        

'unserialize', 10],
            ],
        ];
    }

    public function unserialize(EntityLoadedEvent $event): void
    {
        /** @var MediaFolderConfigurationEntity $media */
        foreach ($event->getEntities() as $media) {
            if ($media->getMediaThumbnailSizes() === null) {
                if ($media->getMediaThumbnailSizesRo()) {
                    $media->setMediaThumbnailSizes(unserialize($media->getMediaThumbnailSizesRo()));
                } else {
                    $media->setMediaThumbnailSizes(new MediaThumbnailSizeCollection());
                }
            }
        }
    }
}