actor Main
   var env: Env

   new create(env': Env) =>
     env = env'
     let picasso: Painter = Painter(this)
     for x in [Amber, Blue, Crimsen, Crimsen, Other].values() do
       let res: Ressource iso = recover Ressource(x) end
       picasso.paint(consume res)
     end

   be notify(str: String) =>
     env.out.print(str)