2 undefined properties

[szepeviktor]

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  Line   PayMaya/API/Checkout.php
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  37     Access to an undefined property PayMaya\API\Checkout::$id.
  45     Access to an undefined property PayMaya\API\Checkout::$id.
  48     Access to an undefined property PayMaya\API\Checkout::$status.
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Discovered by @phpstan

[szepeviktor]

I see those two are commented out for a reason.