code: def _item_to_row(iterator, resource):
      
      return Row(
          _helpers._row_tuple_from_json(resource, iterator.schema),
          iterator._field_to_index,
      )
docs: Convert a JSON row to the native object.
  
      .. note::
  
          This assumes that the ``schema`` attribute has been
          added to the iterator after being created, which
          should be done by the caller.
  
      :type iterator: :class:`~google.api_core.page_iterator.Iterator`
      :param iterator: The iterator that is currently in use.
  
      :type resource: dict
      :param resource: An item to be converted to a row.
  
      :rtype: :class:`~google.cloud.bigquery.table.Row`
      :returns: The next row in the page.