public function getDocSubPackages()
{
$package = self::DOC_SUB_PACKAGE_STRUCTS;
if ($this->getIsRestriction()) {
$package = self::DOC_SUB_PACKAGE_ENUMERATIONS;
} elseif ($this->isArray()) {
$package = self::DOC_SUB_PACKAGE_ARRAYS;
}
return array($package);
}