root:
  items:
    - type: clip
      id: 2
      complex:
        - rect: [10, 10, 260, 260]
          radius: 32
    - image: checkerboard(2, 16, 16)
      clip-chain: [2]
      bounds: [10, 10, 260, 260]
    - image: checkerboard(2, 16, 16)
      bounds: [10, 290, 260, 260]