A ProtocolStateMachine can be redefined into a more specific ProtocolStateMachine or into behavioral StateMachine. ProtocolConformance declares that the specific ProtocolStateMachine specifies a protocol that conforms to the general ProtocolStateMachine or that the specific behavioral StateMachine abides by the protocol of the general ProtocolStateMachine.
A ProtocolStateMachine can be redefined into a more specific ProtocolStateMachine or into behavioral StateMachine. ProtocolConformance declares that the specific ProtocolStateMachine specifies a protocol that conforms to the general ProtocolStateMachine or that the specific behavioral StateMachine abides by the protocol of the general ProtocolStateMachine.