@@ -24,14 +24,12 @@  | 
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| 24 | 24 | namespace OCA\Activity;  | 
                                                        
| 25 | 25 | |
| 26 | 26 | use Doctrine\DBAL\Platforms\MySqlPlatform;  | 
                                                        
| 27 | -use OCA\Activity\Exception\InvalidFilterException;  | 
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| 28 | 27 | use OCP\Activity\IEvent;  | 
                                                        
| 29 | 28 | use OCP\Activity\IExtension;  | 
                                                        
| 30 | 29 | use OCP\Activity\IManager;  | 
                                                        
| 31 | 30 | use OCP\DB\QueryBuilder\IQueryBuilder;  | 
                                                        
| 32 | 31 | use OCP\IDBConnection;  | 
                                                        
| 33 | 32 | use OCP\IL10N;  | 
                                                        
| 34 | -use OCP\IUser;  | 
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| 35 | 33 | use OCP\IUserSession;  | 
                                                        
| 36 | 34 | |
| 37 | 35 | /**  |