onPreprocess property
        
        LifecycleSeriesListCallback<D> ?
        onPreprocess
        
      
final
      Called for every redraw given the original SeriesList resulting from the previous onData.
This step is good for injecting default attributes on the Series before the renderers process the data (ex: before stacking measures).
Implementation
final LifecycleSeriesListCallback<D>? onPreprocess;