rector/config/set/laravel/laravel56.yaml

# see: https://laravel.com/docs/5.6/upgrade
services:
    Rector\Renaming\Rector\MethodCall\RenameMethodRector:
        $oldToNewMethodsByClass:
            Illuminate\Validation\ValidatesWhenResolvedTrait:
                validate: 'validateResolved'
            Illuminate\Contracts\Validation\ValidatesWhenResolved:
                validate: 'validateResolved'

    Rector\Core\Rector\Visibility\ChangeMethodVisibilityRector:
        $methodToVisibilityByClass:
            Illuminate\Routing\Router:
                addRoute: 'public'
            Illuminate\Contracts\Auth\Access\Gate:
                raw: 'public'
            Illuminate\Database\Grammar:
                getDateFormat: 'public'