text: // -----------------------------------------------------------------------------
  // nextStepButtonCtrl -- handles a button for going to next step.
  // -----------------------------------------------------------------------------
  
  class NextStepButtonController {
      static initClass() {
          NextStepButtonController.$inject = ['appActions'];
      }
  
      constructor(appActions) {
          this._appActions = appActions;
      }
  
      tryGoNext() {
          this._appActions.tryGoNextStep();
      }
  }
  
  NextStepButtonController.initClass();
  
  angular.module('stepsModule').controller(
      'nextStepButtonCtrl',
      NextStepButtonController
  );
  