code: func newLimitIterator(itr iterator, maxRowID, maxColumnID uint64) *limitIterator { // nolint: unparam
  	return &limitIterator{
  		itr:         itr,
  		maxRowID:    maxRowID,
  		maxColumnID: maxColumnID,
  	}
  }
docs: // newLimitIterator returns a new LimitIterator.