private function doLoadCatalogue(array &$availableCatalogues, $locale)
{
$availableCatalogues[$locale] = $catalogue = new MessageCatalogue($locale);
if (isset($this->resources[$locale])) {
foreach ($this->resources[$locale] as $resource) {
$this->loader->loadResource($resource[0], $resource[1], $resource[2], $catalogue);
}
}
return $catalogue;
}