window1
  "frame"
  index: 0
  state: enabled resizable sensitive showing visible
  toolkit: gtk
  <AtkComponent>
  layer: widget
  alpha: 1
  unnamed-GtkContainerAccessible-0
    "panel"
    parent: window1
    state: enabled sensitive showing visible
    toolkit: gtk
    <AtkComponent>
    layer: widget
    alpha: 1
  progress1
    "progress bar"
    parent: window1
    index: 0
    state: enabled horizontal sensitive showing visible
    toolkit: gtk
    <AtkComponent>
    layer: widget
    alpha: 1
    <AtkValue>
    minimum value: 0.000000
    maximum value: 1.000000
    current value: 0.500000