/home/jj5/repo/git/github/jj5/www.jjlab.net/ext/mudball/src/code/5-module/1-critical/120-debug/class/MudModuleDebug.php:29:
object(NullYoutubeVideo)[26767]
  private array 'child_list' (MudHost) => 
    array (size=0)
      empty
  private array 'child_map' (MudHost) => 
    array (size=0)
      empty
  private ?IMudNode 'parent' (MudNode) => null
  private 'item_id' (AppThing) => int 0
  protected 'property_list' => 
    array (size=0)
      empty
  protected 'property_map' => 
    array (size=0)
      empty
  protected 'parent' => null
  protected 'url' => null
  protected 'duration' => null