public function __construct() {
		parent::__construct( 'SpecialWikiAtHome' );

		$realFunction = array( 'SpecialPage', 'setGroup' );
		if ( is_callable( $realFunction ) ) {
			parent::setGroup( 'SpecialWikiAtHome', 'media' );
		}
	}
 function __construct()
 {
     parent::__construct('MvExportSequence');
     $realFunction = array('SpecialPage', 'setGroup');
     if (is_callable($realFunction)) {
         parent::setGroup('MvExportSequence', 'mv_group');
     }
 }
 function __construct($mode = 'add')
 {
     parent::__construct('Mv_Add_Stream');
     $this->mode = 'add';
     // print_r(debug_backtrace());
     $realFunction = array('SpecialPage', 'setGroup');
     if (is_callable($realFunction)) {
         parent::setGroup('Mv_Add_Stream', 'mv_group');
     }
 }