window1
  "window"
  index: 0
  state: enabled resizable sensitive showing visible
  toolkit: gtk
  <AtkComponent>
  layer: window
  alpha: 1
  headerbar1
    "filler"
    parent: window1
    index: 0
    state: enabled sensitive showing visible
    toolkit: gtk
    <AtkComponent>
    layer: widget
    alpha: 1
    button1
      "push button"
      parent: headerbar1
      index: 0
      name: Yes
      state: enabled focusable sensitive showing visible
      toolkit: gtk
      <AtkComponent>
      layer: widget
      alpha: 1
      <AtkImage>
      image size: -1 x -1
      image description: (null)
      <AtkAction>
      action 0 name: click
      action 0 description: Clicks the button
    page2
      "push button"
      parent: headerbar1
      index: 1
      name: No
      state: enabled focusable sensitive showing visible
      toolkit: gtk
      <AtkComponent>
      layer: widget
      alpha: 1
      <AtkImage>
      image size: -1 x -1
      image description: (null)
      <AtkAction>
      action 0 name: click
      action 0 description: Clicks the button