internal void RemoveUserInternal(string idk, HttpContext context)
 {
     if (RemoveUser != null)
     {
         RemoveUser.Invoke(idk, context);
     }
     else
     {
         RemoveUserAsync.Invoke(idk, context).Wait();
     }
 }
 public void Leave(string memberName)
 {
     RemoveUser?.Invoke(memberName);
 }