public function getLastModifiedDate($contentTypeName = null, $configTypeName = null, DataDimensions $dataDimensions = null) { if ($this->writeConnection) { return $this->writeConnection->getLastModifiedDate($contentTypeName, $configTypeName, $dataDimensions); } return $this->readConnection->getLastModifiedDate($contentTypeName, $configTypeName, $dataDimensions); }