public function getThumbnailParams()
{
return ['no params' => ['params' => [], 'width' => 50, 'height' => 50], 'only width' => ['params' => ['width' => 60], 'width' => 60, 'height' => 50], 'only height' => ['params' => ['height' => 60], 'width' => 50, 'height' => 60], 'only fit (inset)' => ['params' => ['fit' => 'inset'], 'width' => 50, 'height' => 34], 'only fit (outbound)' => ['params' => ['fit' => 'outbound'], 'width' => 50, 'height' => 50], 'all params (inset)' => ['params' => ['width' => 123, 'height' => 456, 'fit' => 'inset'], 'width' => 123, 'height' => 85], 'all params (outbound)' => ['params' => ['width' => 123, 'height' => 456, 'fit' => 'outbound'], 'width' => 123, 'height' => 456]];
}