public void Add(HandlerCall call)
{
assertNotGrouped();
_calls.Add(call);
}
/// <summary>
/// Add a secondary message handler for the message type that will
/// execute after the primary action(s)
/// </summary>
/// <param name="call"></param>
public void AddAbstractedHandler(HandlerCall call)
{
var clone = call.Clone(MessageType);
Handlers.Add(clone);
}