public function getImageVariation($user, $imageIdentifier, $width)
{
try {
$model = $this->getClient()->getObject(['Bucket' => $this->params['bucket'], 'Key' => $this->getImagePath($user, $imageIdentifier, $width)]);
} catch (NoSuchKeyException $e) {
return null;
}
return (string) $model->get('Body');
}