internal void AdjustLineInfo(int valueOffset, bool isNormalized, ref LineInfo lineInfo)
 {
     if (valueOffset == 0)
     {
         return;
     }
     if (_valueStartPos != -1)
     {
         XmlTextReaderImpl.AdjustLineInfo(_chars, _valueStartPos, _valueStartPos + valueOffset, isNormalized, ref lineInfo);
     }
     else
     {
         XmlTextReaderImpl.AdjustLineInfo(_value, 0, valueOffset, isNormalized, ref lineInfo);
     }
 }