---
root:
  items:
    - type: stacking-context
      bounds: [0, 0, 600, 300]
      items:
        - type: clip
          id: 1
          complex:
            - rect: [0, 0, 600, 300]
              radius: [150, 150]
        - type: clip-chain
          id: 2
          clips: [1]
        # A second rect that is only there to prevent the clip from being
        # moved to the compositor.
        - type: rect
          bounds: [0, 0, 300, 150]
          color: white
        - type: rect
          bounds: [0, 0, 600, 300]
          color: green
          clip-chain: 2