public function unregisterRenderable(Renderable\RenderableInterface $renderable)
    {
        if ($renderable instanceof FormElementInterface) {
            unset($this->elementsByIdentifier[$renderable->getIdentifier()]);
        }
    }
public function unregisterRenderable(Renderable\RenderableInterface $renderable)
    {
        if ($renderable instanceof FormElementInterface) {
            unset($this->elementsByIdentifier[$renderable->getIdentifier()]);
        }
    }
public function unregisterRenderable ( Renderable \ RenderableInterface $ renderable ) { if ( $ renderable instanceof FormElementInterface ) { unset ( $ this -> elementsByIdentifier [ $ renderable -> getIdentifier ( ) ] ) ; } }
Remove an element from the ElementsByIdentifier cache

@param Renderable\RenderableInterface $renderable
@return void
@internal
Remove an element from the ElementsByIdentifier cache