/**
* Create a new has many relationship instance.
*
* @param \LMongo\Eloquent\Builder $query
* @param \LMongo\Eloquent\Model $parent
* @param string $foreignKey
* @param string $otherKey
* @return void
*/
public function __construct(Builder $query, Model $parent, $foreignKey, $otherKey)
{
$this->otherKey = $otherKey;
$this->foreignKey = $foreignKey;
parent::__construct($query, $parent, $foreignKey);
}