docs: protected static Map<String, WriteWindowedToBigQuery.FieldInfo<Double>>
        configureSessionWindowWrite() {
  
      Map<String, WriteWindowedToBigQuery.FieldInfo<Double>> tableConfigure = new HashMap<>();
      tableConfigure.put(
          "window_start",
          new WriteWindowedToBigQuery.FieldInfo<>(
              "STRING",
              (c, w) -> {
                IntervalWindow window = (IntervalWindow) w;
                return GameConstants.DATE_TIME_FORMATTER.print(window.start());
              }));
      tableConfigure.put(
          "mean_duration", new WriteWindowedToBigQuery.FieldInfo<>("FLOAT", (c, w) -> c.element()));
      return tableConfigure;
    }