src/Mapper/Asset.php
public function map($resource, array $data): ResourceClass
    {
        /** @var SystemProperties $sys */
        $sys = $this->createSystemProperties(SystemProperties::class, $data);
        $locale = $sys->getLocale();

        /** @var ResourceClass $asset */
        $asset = $this->hydrator->hydrate($resource ?: ResourceClass::class, [
            'sys' => $sys,
            'title' => isset($data['fields']['title'])
                ? $this->normalizeFieldData($data['fields']['title'], $locale)
                : null,
            'description' => isset($data['fields']['description'])
                ? $this->normalizeFieldData($data['fields']['description'], $locale)
                : null,
            'file' => isset($data['fields']['file'])
                ? \array_map([$this, 'buildFile'], $this->normalizeFieldData($data['fields']['file'], $locale))
                : null,
        ]);

        $asset->initLocales($asset->getSystemProperties()->getEnvironment()->getLocales());

        return $asset;
    }
public function map($resource, array $data): ResourceClass
    {
        /** @var SystemProperties $sys */
        $sys = $this->createSystemProperties(SystemProperties::class, $data);
        $locale = $sys->getLocale();

        /** @var ResourceClass $asset */
        $asset = $this->hydrator->hydrate($resource ?: ResourceClass::class, [
            'sys' => $sys,
            'title' => isset($data['fields']['title'])
                ? $this->normalizeFieldData($data['fields']['title'], $locale)
                : null,
            'description' => isset($data['fields']['description'])
                ? $this->normalizeFieldData($data['fields']['description'], $locale)
                : null,
            'file' => isset($data['fields']['file'])
                ? \array_map([$this, 'buildFile'], $this->normalizeFieldData($data['fields']['file'], $locale))
                : null,
        ]);

        $asset->initLocales($asset->getSystemProperties()->getEnvironment()->getLocales());

        return $asset;
    }
{@inheritdoc}