docs: function (value, mode, strategy) {
          if (!currentStrategy) {
            showNoStrategyConfiguredWarning();
          }
  
          if (arguments.length < 3) {
            strategy = currentStrategy;
          }
  
          if (!strategy) {
            return value;
          }
  
          var selectedStrategies = angular.isArray(strategy) ? strategy : [strategy];
          return applyStrategies(value, mode, selectedStrategies);
        }