private String getSomeId(final IElementType elementType) {
    ASTNode child = getNode().findChildByType(elementType);
    PsiElement docTypeSystem = child != null ? child.getPsi() : null;

    if (docTypeSystem != null) {
      PsiElement element = docTypeSystem.getNextSibling();

      while (element instanceof PsiWhiteSpace || element instanceof XmlComment) {
        element = element.getNextSibling();
      }

      //element = element.getNextSibling(); // pass qoutes
      if (element instanceof XmlToken && ((XmlToken)element).getTokenType() == XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN) {
        if (element.getTextLength() != 0) {
          return extractValue(element);
        }
      }
    }
    return null;
  }
private String getSomeId(final IElementType elementType)