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<?php
if (!interface_exists('JsonSerializable')) {
interface JsonSerializable
{
/**
* Specify data which should be serialized to JSON.
*
* @link http://php.net/manual/en/jsonserializable.jsonserialize.php
*
* @return mixed data which can be serialized by <b>json_encode</b>,
* which is a value of any type other than a resource.
*
* @since 5.4.0
*/
public function jsonSerialize();
}
}
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