public function rules(): array 	{ 		return [ 			'results' => ['required', 'array'], 			'results.*.from' => ['required', 'string', 'max:20'], 			'results.*.to' => ['required', 'string', 'max:20'], 			'results.*.messageId' => ['required', 'string', 'max:50'], 			'results.*.text' => ['required', 'string', 'max:1600'], 		]; 	}