|  | @@ -102,7 +102,7 @@ | 
                                                    
                                                        |  |  |  block discarded – undo | 
                                                                                                                                                                                                                    
                                                            | 102 | 102 |   | 
                                                                                                            
                                                            | 103 | 103 |      public static function findBy(RepositoryInterface $repository, string $field, array $criteria = []): \Closure | 
                                                                                                            
                                                            | 104 | 104 |      { | 
                                                                                                            
                                                            | 105 |  | -        return function (Options $options, ?array $previousValues) use ($repository, $field, $criteria): ?iterable { | 
                                                                                                            
                                                            |  | 105 | +        return function (Options $options, ?array $previousValues) use ($repository, $field, $criteria) : ?iterable { | 
                                                                                                            
                                                            | 106 | 106 |              if (null === $previousValues || [] === $previousValues) { | 
                                                                                                            
                                                            | 107 | 107 |                  return $previousValues; | 
                                                                                                            
                                                            | 108 | 108 |              } | 
                                                                                                                                                
                                         
                                        
                                            
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