public function toArray($request): array 	{ 		return [ 			'id' => $this->getKey(), 			'client_survey_id' => $this->client_survey_id, 			'filled' => $this->filled, 			'draft' => $this->draft, 			'code' => $this->code, 			'email' => $this->email, 			'default_language' => $this->default_language->value, 			'created_at' => formatTimestamp($this->created_at), 			'updated_at' => formatTimestamp($this->updated_at), 		]; 	}