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 HiHealth	\hihealth
		class Testing implements EnvironmentInterface	\testing
		class Client	\client
		class ResourceOwner implements ResourceOwnerInterface	\resourceowner
		class Production implements EnvironmentInterface	\production
		class ClientException extends \Exception	\clientexception
		class Provider extends AbstractProvider	\provider