                       <p>The number of sections in the data source.</p>
                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:19DiffableDataSources014CollectionViewaB6SourceC010collectionE0_22numberOfItemsInSectionSiSo012UICollectionE0C_SitF"></a>
                    <a name="//apple_ref/swift/Method/collectionView(_:numberOfItemsInSection