Cake\Database\Query::limit PHP Method

    public function limit($num)
    {
        $this->_dirty();
        if ($num !== null && !is_object($num)) {
            $num = (int) $num;
        }
        $this->_parts['limit'] = $num;
        return $this;
    }

 public function findCursor(Query $query)
 {
     $current = $this->request->query('cursor');
     $limit = $this->request->query('limit') ?: 10;
     if ($current) {
         $query->where(['id >' => $current]);
     }
     $query->limit($limit);
     return $query;
 }