/**
* Returns an array of package items (e.g. blocks, themes)
*/
public function getPackageItems()
{
$items = array();
Loader::model('single_page');
Loader::library('mail/importer');
Loader::model('job');
Loader::model('collection_types');
Loader::model('system/captcha/library');
Loader::model('system/antispam/library');
$items['attribute_categories'] = AttributeKeyCategory::getListByPackage($this);
$items['permission_categories'] = PermissionKeyCategory::getListByPackage($this);
$items['permission_access_entity_types'] = PermissionAccessEntityType::getListByPackage($this);
$items['attribute_keys'] = AttributeKey::getListByPackage($this);
$items['attribute_sets'] = AttributeSet::getListByPackage($this);
$items['group_sets'] = GroupSet::getListByPackage($this);
$items['page_types'] = CollectionType::getListByPackage($this);
$items['mail_importers'] = MailImporter::getListByPackage($this);
$items['configuration_values'] = Config::getListByPackage($this);
$items['block_types'] = BlockTypeList::getByPackage($this);
$items['page_themes'] = PageTheme::getListByPackage($this);
$items['permissions'] = PermissionKey::getListByPackage($this);
$items['single_pages'] = SinglePage::getListByPackage($this);
$items['attribute_types'] = AttributeType::getListByPackage($this);
$items['captcha_libraries'] = SystemCaptchaLibrary::getListByPackage($this);
$items['antispam_libraries'] = SystemAntispamLibrary::getListByPackage($this);
$items['jobs'] = Job::getListByPackage($this);
$items['workflow_types'] = WorkflowType::getListByPackage($this);
ksort($items);
return $items;
}