 the New APIs
          </a>
          </li>
          <li><a href="../../training/backward-compatible-ui/new-implementation.html">
            Proxying to the New APIs
          </a>
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          <li><a href="../../training/backward-compatible-ui/older-implementation.html">
            Creating an Implementation with Older APIs
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          </li>
          <li><a href="../../training/backward-compatible-ui/using-component.html">
            Using the Version-Aware Component
       