_propDict)) { if (is_a($this->_propDict["rootDomains"], "\Beta\Microsoft\Graph\Model\RootDomains") || is_null($this->_propDict["rootDomains"])) { return $this->_propDict["rootDomains"]; } else { $this->_propDict["rootDomains"] = new RootDomains($this->_propDict["rootDomains"]); return $this->_propDict["rootDomains"]; } } return null; } /** * Sets the rootDomains * * @param RootDomains $val The value to assign to the rootDomains * * @return ValidatingDomains The ValidatingDomains */ public function setRootDomains($val) { $this->_propDict["rootDomains"] = $val; return $this; } }