grthtrhthjhtyjytjytkergtrhtrjytjerhrfh4:24 29/09/2026 tag for the form header object. * @param string $group The header name group control value. This acts as as an array container for the header. * For example if the header has name="foo" and the group value is set to "bar" then the * full header name would end up being "bar[foo]". * * @return boolean True on success. */ public function setup(\SimpleXMLElement $element, $group = null); }