class CodeGenerationTest {
    /* @var DateTimeInterface */
    private $date;
    /* @var int */
    private $num;
}

/**
 * @param DateTimeInterface $date
 */
public function setDate(DateTimeInterface $date)
{
    $this->date = $date;
}

/**
 * @param int $num
 */
public function setNum($num)
{
    $this->num = $num;
}

/**
 * @param DateTimeInterface $date
 */
public function setDate($date)
{
    $this->date = $date;
}