code: protected TypedXMLStreamException _constructTypeException(IllegalArgumentException iae, String lexicalValue)
      {
          return new TypedXMLStreamException(lexicalValue, iae.getMessage(), getStartLocation(), iae);
      }
docs: Method called to wrap or convert given conversion-fail exception
  into a full {@link TypedXMLStreamException},
  
  @param iae Problem as reported by converter
  @param lexicalValue Lexical value (element content, attribute value)
  that could not be converted succesfully.