@Override
    public Pair<Integer, Type> listElementPartner(Pair<Integer, Type> partner) {
      Types.ListType list = partner.second().asListType();
      return Pair.of(list.elementId(), list.elementType());
    }
A reader that produces Iceberg's internal in-memory object model.

<p>Iceberg's internal in-memory object model produces the types defined in {@link
Type.TypeID#javaClass()}.

@param <T> Java type returned by the reader
iceberg/patched-iceberg-core/src/main/java/org/apache/iceberg/avro/InternalReader.java