Multiple RelationManager's on custom ManageRelatedRecords page

// src/Filament/Resources/ProductResource.php
...
    public static function getRecordSubNavigation(Page $page): array
    {
        return $page->generateNavigationItems([
            // ...
            Pages\EditProduct::class,
            Pages\ManageProductImages::class,
        ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListProducts::route('/'),
            'view' => Pages\ViewProduct::route('/{record}'),
            'edit' => Pages\EditProduct::route('/{record}/edit'),
            'images' => Pages\ManageProductImages::route('/{record}/images'),
        ];
    }

// src/Filament/Resources/ProductResource/Pages/ManageProductImages.php
class ManageProductImages extends ManageMediasRelatedRecords
{
    protected static string $resource = ProductResource::class;
}