Class Option Recommendations

Below, is a list of classes that may be updated with final or abstract.
The red stars mention possible upgrade by using final or abstract keywords; The green stars mention a valid absence of the option (an extended class, that can't be final, ...); The absence of star report currently configured classes. .

Final	Abstract	Name	Path
		class ShippingOption	\shippingoption
		class RestSearchTransactionRequest extends AbstractRestRequest	\restsearchtransactionrequest
		class ExpressCompletePurchaseRequest extends ExpressCompleteAuthorizeRequest	\expresscompletepurchaserequest
		class ExpressCompletePurchaseResponse extends ExpressAuthorizeResponse	\expresscompletepurchaseresponse
		class RestFetchTransactionRequest extends AbstractRestRequest	\restfetchtransactionrequest
		class RestCreateCardRequest extends AbstractRestRequest	\restcreatecardrequest
		class RefundRequest extends AbstractRequest	\refundrequest
		class RestUpdatePlanRequest extends AbstractRestRequest	\restupdateplanrequest
		class PayPalItemBag extends ItemBag	\paypalitembag
		class RestGateway extends AbstractGateway	\restgateway
		class ExpressInContextGateway extends ExpressGateway	\expressincontextgateway
		class PayPalItem extends Item	\paypalitem
		class BillingAgreement	\billingagreement
		class RestCompletePurchaseRequest extends AbstractRestRequest	\restcompletepurchaserequest
		class RestSuspendSubscriptionRequest extends AbstractRestRequest	\restsuspendsubscriptionrequest
		class ProPurchaseRequest extends ProAuthorizeRequest	\propurchaserequest
		class ExpressInContextAuthorizeResponse extends ExpressAuthorizeResponse	\expressincontextauthorizeresponse
		class ExpressFetchCheckoutRequest extends AbstractRequest	\expressfetchcheckoutrequest
		class CaptureRequest extends AbstractRequest	\capturerequest
		class RestRefundCaptureRequest extends AbstractRestRequest	\restrefundcapturerequest
		class RestPurchaseRequest extends RestAuthorizeRequest	\restpurchaserequest
		class RestFetchPurchaseRequest extends AbstractRestRequest	\restfetchpurchaserequest
		class ExpressTransactionSearchResponse extends Response	\expresstransactionsearchresponse
		class RestTokenRequest extends AbstractRestRequest	\resttokenrequest
		class RestCancelSubscriptionRequest extends AbstractRestRequest	\restcancelsubscriptionrequest
		class RestDeleteCardRequest extends AbstractRestRequest	\restdeletecardrequest
		class ExpressVoidRequest extends AbstractRequest	\expressvoidrequest
		class RestReactivateSubscriptionRequest extends AbstractRestRequest	\restreactivatesubscriptionrequest
		class RestCaptureRequest extends AbstractRestRequest	\restcapturerequest
		class ExpressOrderRequest extends ExpressAuthorizeRequest	\expressorderrequest
		class RestVoidRequest extends AbstractRestRequest	\restvoidrequest
		class RestCreatePlanRequest extends AbstractRestRequest	\restcreateplanrequest
		class RestCompleteSubscriptionRequest extends AbstractRestRequest	\restcompletesubscriptionrequest
		class ExpressInContextOrderRequest extends ExpressInContextAuthorizeRequest	\expressincontextorderrequest
		class RestCreateSubscriptionRequest extends AbstractRestRequest	\restcreatesubscriptionrequest
		class RestListPlanRequest extends AbstractRestRequest	\restlistplanrequest
		class ExpressTransactionSearchRequest extends AbstractRequest	\expresstransactionsearchrequest
		class RestRefundRequest extends AbstractRestRequest	\restrefundrequest
		class ExpressCompleteOrderRequest extends ExpressCompleteAuthorizeRequest	\expresscompleteorderrequest
		class FetchTransactionRequest extends AbstractRequest	\fetchtransactionrequest
		class RestAuthorizeResponse extends RestResponse implements RedirectResponseInterface	\restauthorizeresponse
		class RestListPurchaseRequest extends AbstractRestRequest	\restlistpurchaserequest
		class ExpressGateway extends ProGateway	\expressgateway
		class ProGateway extends AbstractGateway	\progateway
		class RestAuthorizeRequest extends AbstractRestRequest	\restauthorizerequest
		class ExpressCompleteAuthorizeRequest extends AbstractRequest	\expresscompleteauthorizerequest
		class ProAuthorizeRequest extends AbstractRequest	\proauthorizerequest
		class ExpressAuthorizeRequest extends AbstractRequest	\expressauthorizerequest
		class ExpressInContextAuthorizeRequest extends ExpressAuthorizeRequest	\expressincontextauthorizerequest