code: function isStateChangePermissionStartDefaultPrevented() {
        return $rootScope.$broadcast(PermTransitionEventNames.permissionStart,
          PermTransitionProperties.toState, PermTransitionProperties.toParams,
          PermTransitionProperties.options).defaultPrevented;
      }
docs: Checks if event $stateChangePermissionStart hasn't been disabled by default
  @methodOf permission.ui.PermTransitionEvents
  @private
  
  @returns {boolean}