code: public Observable<NotificationListResponseInner> listUpgradeNotificationsAsync(String resourceGroupName, String name, double history) {
          return listUpgradeNotificationsWithServiceResponseAsync(resourceGroupName, name, history).map(new Func1<ServiceResponse<NotificationListResponseInner>, NotificationListResponseInner>() {
              @Override
              public NotificationListResponseInner call(ServiceResponse<NotificationListResponseInner> response) {
                  return response.body();
              }
          });
      }
docs: Gets any upgrade notifications for a Redis cache.
  
  @param resourceGroupName The name of the resource group.
  @param name The name of the Redis cache.
  @param history how many minutes in past to look for upgrade notifications
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the NotificationListResponseInner object