module Windows
  class FileSystem
    @fs_object: untyped
  end
end

module Autocad
  class App
    self.@default_error_proc: untyped

    @event_handler: untyped

    @ole_obj: untyped

    @app_event: untyped

    @run_loop: untyped

    @windows: untyped

    #  make_visible(visible)
    @scanners: untyped

    @ole_preferences_files: untyped

    attr_accessor self.default_error_proc: untyped

    alias doc active_drawing

    alias current_drawing active_drawing

    alias model model_space
  end
end