4 fail_compilation/fail343.d(22): Error: function fail343.TimedApp.run cannot override final function I.fail343.Timer.run
5 fail_compilation/fail343.d(22): Error: function fail343.TimedApp.run cannot override final function Application.fail343.Application.run
14 interface I : Timer { }
19 class TimedApp : I, Application
21 // cannot define run()