silverstripe / silverstripe-lumberjack

            $staged = $staged->exclude('ClassName', $hideFromCMSTree);

        }

        if (!$showAll && DataObject::getSchema()->fieldSpec($this->owner, 'ShowInMenus')) {

            $staged = $staged->filter('ShowInMenus', 1);

        }

        $this->owner->extend("augmentStageChildren", $staged, $showAll);

        $this->excludeSiteTreeClassNames($staged);

            $children = $children->exclude('ClassName', $hideFromCMSTree);

        }

        if (!$showAll && DataObject::getSchema()->fieldSpec($this->owner, 'ShowInMenus')) {

            $children = $children->filter('ShowInMenus', 1);

        }

        $this->excludeSiteTreeClassNames($children);

        return $children;