public function buildRootResource()
{
$language = new ExpressionLanguage();
$resources = array();
foreach ($this->resourceConfig as $name => $resource) {
$resources[] = new Values\Resource($name, $resource['mediaType'], $language->evaluate($resource['href'], ['router' => $this->router, 'templateRouter' => $this->templateRouter]));
}
return new Root($resources);
}