code: def _save_current_cell(self):
          
          row, cell = self._row, self._cell
          family = row._cells.setdefault(cell.family_name, {})
          qualified = family.setdefault(cell.qualifier, [])
          complete = Cell.from_pb(cell)
          qualified.append(complete)
          self._cell, self._previous_cell = None, cell
docs: Helper for :meth:`consume_next`.