public HandlerBase(DiagramService service, ccr.DispatcherQueue queue)
     : base(queue)
 {
     _service = service;
 }
            ///////////////////////////////////////////////////////////////////
            // program.activity.Start+start
            // snippet.element
            // __use__.snippet0.call - __use__.snippet0.call.iftype
            // [(__use__0.snippet0.snippet.noop - __use__0.snippet0.snippet.expr - __use__0.snippet0.snippet.join)] - __use__0.snippet0.call - __use__0.snippet0.call.iftype
            ///////////////////////////////////////////////////////////////////

            public StartHandler(DiagramService service, ccr.DispatcherQueue queue)
                : base(service, queue)
            {
            }