code: @Deprecated
      public void addData(String seriesName, DataPoint dataPoint) {
          synchronized (dataStoreLock) {
              _addDataWithoutLock(seriesName, dataPoint);
          }
      }
docs: Adds a data value to a particular series in the data store.
  
  @param seriesName The name of the series that the data belongs to.
  @param dataPoint  The DataPoint representing a data value at a particular time.
  @deprecated Use DataStore and `trackDataStore()` instead.