public function render_summary_page(summary_page $page) {
        $data = $page->export_for_template($this);
        return parent::render_from_template('tool_dataprivacy/summary', $data);
    }
public function render_summary_page(summary_page $page) {
        $data = $page->export_for_template($this);
        return parent::render_from_template('tool_dataprivacy/summary', $data);
    }
public function render_summary_page ( summary_page $ page ) { $ data = $ page -> export_for_template ( $ this ) ; return parent :: render_from_template ( 'tool_dataprivacy/summary' , $ data ) ; }
Render the user data retention summary page.

@param  summary_page $page
@return string html for the page.
Render the user data retention summary page .