---
root:
  items:
    - type: clip
      id: 2
      image-mask:
        image: transparent-checkerboard(2, 16, 16)
        rect: [0, 0, 200, 200]
        repeat: false
    - type: stacking-context
      clip-chain: [2]
      items:
      - type: rect
        bounds: [0, 0, 200, 200]
        color: blue
