public Task <ActivityType> Create(NewActivityType data)
        {
            Ensure.ArgumentNotNull(data, nameof(data));

            return(ApiConnection.Post <ActivityType>(ApiUrls.ActivityTypes(), data));
        }
 public Task <IReadOnlyList <ActivityType> > GetAll()
 {
     return(ApiConnection.GetAll <ActivityType>(ApiUrls.ActivityTypes()));
 }