@Nullable
    private static PomTarget doFindDeclaration(DomElement parent, XmlName xmlName) {
      if (!(parent instanceof AntDomElement parentElement)) {
        return null;
      }
      final AntDomProject antDomProject = parentElement.getAntProject();
      if (antDomProject == null) {
        return null;
      }
      final CustomAntElementsRegistry registry = CustomAntElementsRegistry.getInstance(antDomProject);
      final AntDomElement declaringElement = registry.findDeclaringElement(parentElement, xmlName);
      if (declaringElement == null) {
        return null;
      }
      DomTarget target = DomTarget.getTarget(declaringElement);
      if (target == null && declaringElement instanceof AntDomTypeDef typedef) {
        final GenericAttributeValue<PsiFileSystemItem> resource = typedef.getResource();
        if (resource != null) {
          target = DomTarget.getTarget(declaringElement, resource);
        }
        if (target == null) {
          final GenericAttributeValue<PsiFileSystemItem> file = typedef.getFile();
          if (file != null) {
            target = DomTarget.getTarget(declaringElement, file);
          }
        }
      }
      return target;
    }
@Nullable
    private static PomTarget doFindDeclaration(DomElement parent, XmlName xmlName)