getContentSecurityPolicyManager()->addDefaultPolicy($policy)`, * $policy has to be of type `\OCP\AppFramework\Http\ContentSecurityPolicy`. * * WARNING: Using this API incorrectly may make the instance more insecure. * Do think twice before adding whitelisting resources. Please do also note * that it is not possible to use the `disallowXYZ` functions. * * @param EmptyContentSecurityPolicy $policy * @since 9.0.0 * @deprecated 17.0.0 listen to the AddContentSecurityPolicyEvent to add a policy */ public function addDefaultPolicy(EmptyContentSecurityPolicy $policy); }