| 1 | <?php  | 
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| 9 | class GroupHeader  | 
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| 10 | { | 
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| 11 | /**  | 
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| 12 | * @var string  | 
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| 13 | */  | 
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| 14 | private $messageId;  | 
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| 15 | /**  | 
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| 16 | * @var \DateTimeImmutable  | 
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| 17 | */  | 
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| 18 | private $createdOn;  | 
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| 19 | |||
| 20 | /**  | 
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| 21 | * @param $messageId  | 
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| 22 | * @param \DateTimeImmutable $createdOn  | 
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| 23 | */  | 
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| 24 | 15 | public function __construct($messageId, \DateTimeImmutable $createdOn)  | 
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| 29 | |||
| 30 | /**  | 
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| 31 | * @return string  | 
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| 32 | */  | 
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| 33 | 2 | public function getMessageId()  | 
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| 37 | |||
| 38 | /**  | 
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| 39 | * @return \DateTimeImmutable  | 
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| 40 | */  | 
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| 41 | 2 | public function getCreatedOn()  | 
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| 45 | }  | 
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| 46 |