text: define(['ash',], function (Ash) {
  
      var GlobalSignals = {
          
          // ui events
          gameShownSignal: new Ash.Signals.Signal(),
          tabChangedSignal: new Ash.Signals.Signal(),        
          calloutsGeneratedSignal: new Ash.Signals.Signal(),        
          popupOpenedSignal: new Ash.Signals.Signal(),
          popupClosedSignal: new Ash.Signals.Signal(),
          elementToggled: new Ash.Signals.Signal(),
          
          // player actions
          playerMovedSignal: new Ash.Signals.Signal(),
          sectorScoutedSignal: new Ash.Signals.Signal(),
          improvementBuiltSignal: new Ash.Signals.Signal(),
          upgradeUnlockedSignal: new Ash.Signals.Signal(),
          featureUnlockedSignal: new Ash.Signals.Signal(),
          inventoryChangedSignal: new Ash.Signals.Signal(),
          launcedSignal: new Ash.Signals.Signal(),
          
      };
  
      return GlobalSignals;
  });
  