Error in Transformer

[rulzi]

Warning: Declaration of App\Transformers\DepartementTransformer::transform(App\Model\Departement $departement) should be compatible with PhalconRest\Transformers\ModelTransformer::transform($item) in C:\xampp\htdocs\MiC\app\library\App\Transformers\DepartementTransformer.php

`use App\Model\Departement;
use PhalconRest\Transformers\ModelTransformer;

class DepartementTransformer extends ModelTransformer
{

protected $modelClass = Departement::class;

public function transform(Departement $departement)
{
    return [
        'id' => $this->int($departement->id),
        'name' => $departement->name,
    ];
}

}`

[yemexx1]

@rulzi This is actually an expected behaviour. If you override a method in a parent class, the method signature has to be the same as it is in the parent class.
The ModelTransformer class already handles what you've done in your transform method.
See a sample usage here