/** * @return string */ public function getEnabledLibrariesAsString() { if (empty($this->enabledLibraries)) { $this->enabledLibraries = implode(',', $this->libraries->getEnabledLibraries()); } return $this->enabledLibraries; }
/** * @param string $identifier * @param array $library * @return $this */ public function addLibrary($identifier, array $library) { $this->libraries->addLibrary($identifier, $library); return $this; }