n a large number of items. Often, it becomes
          impractical for an implementation to serialize every item contained
          by a Collection using the <code>items</code> (or
          <code>orderedItems</code>) property alone. In such cases, the items
          within a Collection can be divided into distinct subsets or "pages".
          A page is identified using the <code><dfn>CollectionPage</dfn></code>
          type.
        </p>

        <p>
          The <code><a>CollectionPage</a></code> ty