description as a tooltip for auto-completion (similar to how API docs are displayed)</li>
  <li>Design tools might display the description as a tooltip or alongside tokens wherever they can be selected</li>
  <li>Export tools might render the description to a source code comment alongside the variable or constant they export.</li>
  </ul>
  <p>The <strong>description</strong> property must be a plain JSON string, for example:</p>
  <aside class="example" id="example-2"><div class="marker">
      <a class="s