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| Rev 1130 | Rev 1271 | ||
|---|---|---|---|
| Line 239... | Line 239... | ||
| 239 | /** |
239 | /** |
| 240 | * @return OIDplusGuid|null |
240 | * @return OIDplusGuid|null |
| 241 | */ |
241 | */ |
| 242 | public function one_up()/*: ?OIDplusGuid*/ { |
242 | public function one_up()/*: ?OIDplusGuid*/ { |
| 243 | // A GUID is a GUID, there is no hierarchy |
243 | // A GUID is a GUID, there is no hierarchy |
| 244 | return null; |
244 | return self::parse(self::ns().':'); |
| 245 | } |
245 | } |
| 246 | 246 | ||
| 247 | /** |
247 | /** |
| 248 | * @param OIDplusObject|string $to |
248 | * @param OIDplusObject|string $to |
| 249 | * @return int|null |
249 | * @return int|null |