docs: function findPoller(target) {
                      var poller = null;
                      if (!pollerConfig.neverOverwrite) {
                          angular.forEach(pollers, function(item) {
                              if (angular.equals(item.target, target)) {
                                  poller = item;
                              }
                          });
                      }
  
                      return poller;
                  }