code: ChronoFormatter<T> with(
          Map<ChronoElement<?>, Object> outerDefaults,
          AttributeSet outerAttrs
      ) {
  
          AttributeSet merged = AttributeSet.merge(outerAttrs, this.globalAttributes);
  
          return new ChronoFormatter<>(
              new ChronoFormatter<>(this, outerDefaults),
              merged,
              merged.get(HistoricAttribute.CALENDAR_HISTORY, null));
  
      }
docs: used by CustomizedProcessor