/**
* initialize various variables and generate the template
*
- * @param OutputPage $out
+ * @param OutputPage|null $out
*/
function outputPage( OutputPage $out = null ) {
Profiler::instance()->setTemplated( true );
*
* @since 1.31
*
- * @param array $personalTools
+ * @param array|null $personalTools
* @param array $options
* @return string
*/