@Override
  public void update(@NotNull AnActionEvent e) {
    final Presentation presentation = e.getPresentation();
    final Project project = e.getProject();
    if (project != null) {
      final VirtualFile[] files = e.getData(CommonDataKeys.VIRTUAL_FILE_ARRAY);
      if (files != null) {
        for (VirtualFile file : files) {
          final PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
          if (!(psiFile instanceof XmlFile xmlFile)) {
            continue;
          }
          final XmlDocument document = xmlFile.getDocument();
          if (document == null) {
            continue;
          }
          final XmlTag rootTag = document.getRootTag();
          if (rootTag == null) {
            continue;
          }
          if (!"project".equals(rootTag.getName())) {
            continue;
          }
          if (AntConfigurationBase.getInstance(project).getAntBuildFile(psiFile) != null) {
            continue;
          }
          if ("http://maven.apache.org/POM/4.0.0".equals(rootTag.getNamespace())) {
            continue;
          }
          // found at least one candidate file
          enable(presentation);
          return;
        }
      }
    }

    disable(presentation);
  }
@Override
  public void update(@NotNull AnActionEvent e)