public function whereIn(string $key, array $values): QueryBuilder
    {
        $this->addWhere($key, 'IN', $values, 'AND');
        return $this;
    }
public function whereIn(string $key, array $values): QueryBuilder
    {
        $this->addWhere($key, 'IN', $values, 'AND');
        return $this;
    }
public function whereIn ( string $ key , array $ values ) : QueryBuilder { $ this -> addWhere ( $ key , 'IN' , $ values , 'AND' ) ; return $ this ; }
Adds a "where in" condition.

@param string $key
@param array $values
@return QueryBuilder
Adds a where in condition .