@Override
  @Nullable
  public XmlFile getContextFile(@Nullable final XmlFile file) {
    if (file == null) {
      return null;
    }
    final VirtualFile context = myAntFileToContextFileMap.get(file.getVirtualFile());
    if (context == null) {
      return null;
    }
    final PsiFile psiFile = PsiManager.getInstance(getProject()).findFile(context);
    if (!(psiFile instanceof XmlFile xmlFile)) {
      return null;
    }
    return AntDomFileDescription.isAntFile(xmlFile)? xmlFile : null;
  }
@Override
  @Nullable
  public XmlFile getContextFile(@Nullable final XmlFile file)