/**
* Specify $mod criteria for the current field.
*
* @see Expr::mod()
* @see http://docs.mongodb.org/manual/reference/operator/mod/
* @param float|integer $divisor
* @param float|integer $remainder
* @return self
*/
public function mod($divisor, $remainder = 0)
{
$this->expr->mod($divisor, $remainder);
return $this;
}