code>instance</code>, which maps to the controller instance;
if given, it will make the controllers available to directives on the compileNode:<pre><code>{
  parent: {
    instance: parentControllerInstance
  }
}
</code></pre>
</li>
<li><code>futureParentElement</code> - defines the parent to which the <code>cloneAttachFn</code> will add
the cloned elements; only needed for transcludes that are allowed to contain non html
elements (e.g. SVG elements). See also the directive.controller property.</li>
</ul>
<