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<?php
/**
* This helper builds the GroupId object for a /mail/send API call
*/
namespace SendGrid\Mail;
use SendGrid\Helper\Assert;
/**
* This class is used to construct a GroupId object for the /mail/send API call
*
* @package SendGrid\Mail
*/
class GroupId implements \JsonSerializable
{
/** @var $group_id int The unsubscribe group to associate with this email */
private $group_id;
/**
* Optional constructor
*
* @param int|null $group_id The unsubscribe group to associate with this email
* @throws \SendGrid\Mail\TypeException
*/
public function __construct($group_id = null)
{
if (isset($group_id)) {
$this->setGroupId($group_id);
}
}
/**
* Add the group id to a GroupId object
*
* @param int $group_id The unsubscribe group to associate with this email
*
* @throws \SendGrid\Mail\TypeException
*/
public function setGroupId($group_id)
{
Assert::integer($group_id, 'group_id');
$this->group_id = $group_id;
}
/**
* Retrieve the group id from a GroupId object
*
* @return int
*/
public function getGroupId()
{
return $this->group_id;
}
/**
* Return an array representing a GroupId object for the Twilio SendGrid API
*
* @return int
*/
#[\ReturnTypeWillChange]
public function jsonSerialize()
{
return $this->getGroupId();
}
}
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