as3io / As3ModlrBundle

            if (isset($config['type'])) {

                if ('mongodb' === $config['type']) {

                    if (false === class_exists(Utility::getLibraryClass('Persister\MongoDb\Persister'))) {

                        throw new InvalidConfigurationException(sprintf('The MongoDB persister library class was not found for "as3_modlr.persisters.%s.type" - was the library installed?', $name));

                    }

                    if (!isset($config['parameters']['host'])) {

                        throw new InvalidConfigurationException(sprintf('The MongoDB persister requires a value for "as3_modlr.persisters.%s.parameters.host"', $name));

                    }

            if (isset($config['type'])) {

                if ('elastic' === $config['type']) {

                    if (false === class_exists(Utility::getLibraryClass('Search\Elastic\Client'))) {

                        throw new InvalidConfigurationException(sprintf('The Elastic persister library class was not found for "as3_modlr.search_clients.%s.type" - was the library installed?', $name));

                    }

                } else {

                    throw new InvalidConfigurationException(sprintf('An unrecognized search type was set for "as3_modlr.search_clients.%s.type"', $name));

                }