<?php  namespace App\Enums;  enum DocumentType: string { 	case TermsOfService = 'tos';  	case PrivacyPolicy = 'privacy-policy';  	case CookiePolicy = 'cookie-policy';  	case DeliveryTerms = 'delivery-terms';  	case PaymentStatement = 'payment-statement';  	case GDPR = 'gdpr';  	case RefundPolicy = 'refund-policy'; }