/**
* @param int $offset
* @return bool
*/
public function offsetExists($offset)
{
$result = $this->object->offsetExists($offset);
return $result === $this->object ? $this : $result;
}
/**
* @param int $offset
* @return bool
*/
public function offsetExists($offset)
{
$result = $this->object->offsetExists($offset);
return $result === $this->object ? $this : $result;
}
