State Pattern - Bark State

BarkState.cs

public class BarkState : IDogState
{
  public void EnterState(DogContext context)
  {
    context.StartBarking();
    /*etc these are examples what might a Dog class do*/
  }
  
  public void Bark(DogContext context) { throw new NotSupportStateTransitionException(); }
  
  public void Sleep(DogContext context)
  {
    context.StopBarking();
    context.TransitionToState(new SleepState());
  }
}