User.php<?php

declare(strict_types=1);

namespace Model;

class User extends Generated\User
{
    // PLACE CUSTOM MODEL CODE HERE
}
Model/Generated/ createdUser.php<?php

declare(strict_types=1);

namespace Model\Generated;

use \Feast\BaseModel;
use \Mapper\UserMapper;

class User extends BaseModel
{
    protected const MAPPER_NAME = UserMapper::class;

    public int $user_id;
    public ?\Feast\Date $created_at;
    public string $username;

}
Model class created
Cannot generate mapper - Compound primary key
