public function read();
/** * Returns system collections. * * @return array */ private function getSystemCollections() { if (!$this->systemCollections) { if (!$this->cache->isFresh()) { $systemCollections = $this->buildSystemCollections($this->locale, $this->getUserId()); $this->cache->write($systemCollections); } $this->systemCollections = $this->cache->read(); } return $this->systemCollections; }