query GuidelineNavigationItem {
  guidelineNavigationItem(id: "…") {
    ... on GuidelineDocumentPageCategoryNavigationItem {
      __typename
      children {
        total
        page
        limit
        hasNextPage
        items {
          __typename
          ... on GuidelineDocumentPageLinkNavigationItem { id }
          ... on GuidelineDocumentPageNavigationItem { id }
        }
      }
      id
      title
      url
    }
  }
}