@@ -38,7 +38,7 @@ discard block  | 
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| 38 | 38 | private $publishTime;  | 
                                                        
| 39 | 39 | |
| 40 | 40 | /**  | 
                                                        
| 41 | - * @return mixed  | 
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| 41 | + * @return string[]  | 
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| 42 | 42 | */  | 
                                                        
| 43 | 43 | public function getAttributes()  | 
                                                        
| 44 | 44 |      { | 
                                                        
@@ -54,7 +54,7 @@ discard block  | 
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| 54 | 54 | }  | 
                                                        
| 55 | 55 | |
| 56 | 56 | /**  | 
                                                        
| 57 | - * @return mixed  | 
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| 57 | + * @return string  | 
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| 58 | 58 | */  | 
                                                        
| 59 | 59 | public function getMessageId()  | 
                                                        
| 60 | 60 |      { | 
                                                        
@@ -62,7 +62,7 @@ discard block  | 
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| 62 | 62 | }  | 
                                                        
| 63 | 63 | |
| 64 | 64 | /**  | 
                                                        
| 65 | - * @return mixed  | 
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| 65 | + * @return string  | 
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| 66 | 66 | */  | 
                                                        
| 67 | 67 | public function getPublishTime()  | 
                                                        
| 68 | 68 |      { |