private Collection<Html5SectionTreeElement> getRootSections() {
    final Collection<Html5SectionTreeElement> result = new ArrayList<>();
    for (SectionHolder sectionHolder : myRootSectionHolders) {
      for (Section section : sectionHolder.getChildren()) {
        if ("td".equalsIgnoreCase(section.getTag().getName()) && section.getHeader() == null && section.getChildren().isEmpty()) {
          continue;
        }
        result.add(createHtml5SectionTreeElement(section));
      }
    }
    return result;
  }
private Collection<Html5SectionTreeElement> getRootSections()