public function rules(): array 	{ 		return MediaStorage::mergeValidationRules([ 			'title' => ['required', 'string', 'max:50'], 			'body' => ['required', 'string', 'max:2000'], 			'url' => ['nullable', 'active_url', 'max:1000'], 			'countries' => ['array'], 			'countries.*' => ['required', 'string', 'size:2'], 			'radius' => ['nullable', 'required_with_all:location_lat,location_lng', 'integer', 'min:1'], 			'location_lat' => ['nullable', 'required_with:location_lng', 'numeric', 'min:-90', 'max:90'], 			'location_lng' => ['nullable', 'required_with:location_lat', 'numeric', 'min:-180', 'max:180'], 			'scheduled_at' => ['nullable', 'date'], 			'file' => ['file', 'max:' . setting('max_upload_size') / 1024], 		]); 	}