| @@ -15,8 +15,8 @@ | ||
| 15 | 15 | class HierarchicalKeyFactory | 
| 16 | 16 |  { | 
| 17 | 17 | /** | 
| 18 | - * @param EcAdapterInterface|null $ecAdapter | |
| 19 | - * @param NetworkInterface $network|null | |
| 18 | + * @param EcAdapterInterface $ecAdapter | |
| 19 | + * @param NetworkInterface $network | |
| 20 | 20 | * @return Base58ExtendedKeySerializer | 
| 21 | 21 | */ | 
| 22 | 22 | public static function getSerializer(EcAdapterInterface $ecAdapter, $network = null) |