nova-menu-builder Doesn't work with Nova v5

Errors in IDE when adding to tools array Undefined type 'Outl1ne\MenuBuilder\MenuBuilder'.

Also the following when migrating:

  INFO  Running migrations.  

  2019_11_08_000000_create_menus_table 
   Symfony\Component\ErrorHandler\Error\FatalError 

  Class OptimistDigital\MenuBuilder\MenuBuilder contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Laravel\Nova\Tool::menu)

  at vendor/outl1ne/nova-menu-builder/src/MenuBuilder.php:8
      4▕ 
      5▕ use Laravel\Nova\Nova;
      6▕ use Laravel\Nova\Tool;
      7▕ 
  ➜   8▕ class MenuBuilder extends Tool
      9▕ {
     10▕     protected static $defaultLinkableModels = [
     11▕         \OptimistDigital\MenuBuilder\Classes\MenuItemStaticURL::class,
     12▕         \OptimistDigital\MenuBuilder\Classes\MenuItemText::class,


   Whoops\Exception\ErrorException 

  Class OptimistDigital\MenuBuilder\MenuBuilder contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Laravel\Nova\Tool::menu)

  at vendor/outl1ne/nova-menu-builder/src/MenuBuilder.php:8
      4▕ 
      5▕ use Laravel\Nova\Nova;
      6▕ use Laravel\Nova\Tool;
      7▕ 
  ➜   8▕ class MenuBuilder extends Tool
      9▕ {
     10▕     protected static $defaultLinkableModels = [
     11▕         \OptimistDigital\MenuBuilder\Classes\MenuItemStaticURL::class,
     12▕         \OptimistDigital\MenuBuilder\Classes\MenuItemText::class,

      +1 vendor frames 

  2   [internal]:0
      Whoops\Run::handleShutdown()
      ```