public function up(): void 	{ 		Schema::create('surveys', function (Blueprint $table): void { 			$table->uuid('id')->primary(); 			$table->string('title', 50); 			$table->string('description', 500)->nullable(); 			$table->unsignedTinyInteger('type'); 			$table->unsignedSmallInteger('year');  			$table->timestamps();  			$table->index(Model::CREATED_AT); 		}); 	}