@@ -253,7 +253,7 @@ discard block  | 
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| 253 | 253 | * Match a detection rule and return the matched key.  | 
                                                        
| 254 | 254 | *  | 
                                                        
| 255 | 255 | * @param array $rules  | 
                                                        
| 256 | - * @param null $userAgent  | 
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| 256 | + * @param string|null $userAgent  | 
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| 257 | 257 | *  | 
                                                        
| 258 | 258 | * @return string  | 
                                                        
| 259 | 259 | */  | 
                                                        
@@ -394,7 +394,7 @@ discard block  | 
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| 394 | 394 | * @param string $name  | 
                                                        
| 395 | 395 | * @param array $arguments  | 
                                                        
| 396 | 396 | *  | 
                                                        
| 397 | - * @return bool|mixed  | 
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| 397 | + * @return boolean  | 
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| 398 | 398 | */  | 
                                                        
| 399 | 399 | public function __call($name, $arguments)  | 
                                                        
| 400 | 400 |      { |