@@ -41,7 +41,7 @@ discard block  | 
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| 41 | 41 | * @param string|int $offset  | 
                                                        
| 42 | 42 | * @return ParameterInterface|null  | 
                                                        
| 43 | 43 | */  | 
                                                        
| 44 | - public function offsetGet($offset):? ParameterInterface  | 
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| 44 | + public function offsetGet($offset): ? ParameterInterface  | 
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| 45 | 45 |      { | 
                                                        
| 46 | 46 |          if (gettype($offset) === 'string') { | 
                                                        
| 47 | 47 | $offset = $this->getOffsetFromName($offset);  | 
                                                        
@@ -94,7 +94,7 @@ discard block  | 
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| 94 | 94 | * @param string $name  | 
                                                        
| 95 | 95 | * @return int|null  | 
                                                        
| 96 | 96 | */  | 
                                                        
| 97 | - protected function getOffsetFromName(string $name):? int  | 
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| 97 | + protected function getOffsetFromName(string $name): ? int  | 
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| 98 | 98 |      { | 
                                                        
| 99 | 99 |          foreach ($this as $key => $parameter) { | 
                                                        
| 100 | 100 |              if ($parameter->getName() === $name) { | 
                                                        
@@ -42,7 +42,7 @@  | 
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| 42 | 42 | * @return array|null  | 
                                                        
| 43 | 43 | * @throws RuntimeException  | 
                                                        
| 44 | 44 | */  | 
                                                        
| 45 | - public function serializeParameterBag(VisitorInterface $visitor, ? ParameterBag $data, array $type, Context $context):? array  | 
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| 45 | + public function serializeParameterBag(VisitorInterface $visitor, ? ParameterBag $data, array $type, Context $context): ? array  | 
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| 46 | 46 |      { | 
                                                        
| 47 | 47 | $result = [];  | 
                                                        
| 48 | 48 |          if ($data === null) { |