@Nullable
  public static AntDomElement getAntDomElement(XmlTag xmlTag) {
    final DomElement domElement = DomManager.getDomManager(xmlTag.getProject()).getDomElement(xmlTag);
    return domElement instanceof AntDomElement? (AntDomElement)domElement : null;
  }
@Nullable
  public static AntDomElement getAntDomElement(XmlTag xmlTag)