| 1 | <?php  | 
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| 10 | class Keyboard implements Template  | 
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| 11 | { | 
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| 12 | /** @var Button[] */  | 
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| 13 | protected $buttons;  | 
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| 14 | |||
| 15 | 1 | public function __construct(array $buttons)  | 
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| 19 | |||
| 20 | /**  | 
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| 21 | * Get keyboard buttons.  | 
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| 22 | *  | 
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| 23 | * @return Button[]  | 
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| 24 | */  | 
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| 25 | 1 | public function getButtons(): array  | 
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| 29 | |||
| 30 | /**  | 
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| 31 | * Get the instance as an array.  | 
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| 32 | *  | 
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| 33 | * @return array  | 
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| 34 | */  | 
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| 35 | 1 | public function toArray(): array  | 
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| 41 | |||
| 42 | /**  | 
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| 43 | * Specify data which should be serialized to JSON.  | 
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| 44 | * @link http://php.net/manual/en/jsonserializable.jsonserialize.php  | 
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| 45 | * @return mixed data which can be serialized by <b>json_encode</b>,  | 
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| 46 | * which is a value of any type other than a resource.  | 
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| 47 | * @since 5.4.0  | 
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| 48 | */  | 
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| 49 | 1 | public function jsonSerialize(): string  | 
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| 53 | }  | 
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| 54 |