public function down() 	{ 		Schema::table('client_surveys', function (Blueprint $table) { 			$table->dropColumn([ 				'client_comment', 				'admin_comment', 				'departments', 				'locations', 				'display_report', 				'comparable', 				'filter', 				'free', 				'switch_basic_and_additional_question_order', 				'status', 			]); 		}); 	}