static @NotNull String getPackageInfoText(XmlFile xmlFile) {
      final XmlTag rootTag = xmlFile.getRootTag();
      if (rootTag != null) {
        final PsiElement[] children = rootTag.getChildren();
        for (PsiElement child : children) {
          if (!(child instanceof HtmlTag htmlTag)) {
            continue;
          }
          final @NonNls String name = htmlTag.getName();
          if ("body".equalsIgnoreCase(name)) {
            final XmlTagValue value = htmlTag.getValue();
            return value.getText();
          }
        }
      }
      return xmlFile.getText();
    }
static @NotNull String getPackageInfoText(XmlFile xmlFile)