     headerViewController.headerView.maximumHeight = 128
     headerViewController.headerView.minimumHeight = 56
 
-    collectionView?.register(MDCCatalogCollectionViewCell.self,
+    collectionView?.register(
+      MDCCatalogCollectionViewCell.self,
       forCellWithReuseIdentifier: "MDCCatalogCollectionViewCell")
     collectionView?.backgroundColor = AppTheme.containerScheme.colorScheme.backgroundColor
 


  // MARK: UICollectionViewDelegate

  override func collectionView(_ collectionView: UICollectionView,
                               cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
    let cell =
      collectionView.dequeueReusableCell(withReuseIdentifier: "MDCCatalogCollectionViewCell",
                                         for: indexPath)
    cell.backgroundColor = AppTheme.containerScheme.colorScheme.backgroundColor

    let componentName = node.children[indexPath.row].title

    titleLabel.font = AppTheme.containerScheme.typographyScheme.headline6
    titleLabel.sizeToFit()

    let titleInsets = UIEdgeInsets(
      top: 0,
      left: Constants.inset,
      bottom: Constants.inset,
      right: Constants.inset)
    let titleSize = titleLabel.sizeThatFits(containerView.bounds.size)

    containerView.addSubview(titleLabel)
