public function calculateWidths(int $fileSize, int $width, int $height): Collection 	{ 		$breakpoints = (array) setting('responsive_images_breakpoints', []);  		return empty($breakpoints) 			? parent::calculateWidths($fileSize, $width, $height) 			: collect($breakpoints) 				->filter(function (int $value) use ($width): bool { 					return $value < $width; 				}) 				->sort(); 	}