src/FakerArgumentValueProvider.php
protected function getModelInstance(string $mailableClass, string $argumentName, Model $model, $id): Model
    {
        $modelInstance = $id ? $model->find($id) : $model->first();

        if (! $modelInstance) {
            throw CouldNotDetermineValue::noModelInstanceFound($model);
        }

        return $modelInstance;
    }
protected function getModelInstance(string $mailableClass, string $argumentName, Model $model, $id): Model
    {
        $modelInstance = $id ? $model->find($id) : $model->first();

        if (! $modelInstance) {
            throw CouldNotDetermineValue::noModelInstanceFound($model);
        }

        return $modelInstance;
    }
@param string $mailableClass
@param string $argumentName
@param \Illuminate\Database\Eloquent\Model $model
@param string|int|null $id

@return \Illuminate\Database\Eloquent\Model
@throws \Spatie\MailableTest\Exceptions\CouldNotDetermineValue