---
root:
  items:
  - type: clip
    id: 1
    bounds: [0, 0, 40, 40]
  - type: clip-chain
    id: 2
    clips: [1]
  - type: stacking-context
    filters: brightness(0.5)
    clip-chain: 2
    items:
    - type: clip
      id: 3
      bounds: [0, 0, 40, 40]
    - type: clip
      id: 4
      complex:
      - rect: [0, 0, 40, 40]
        radius: [20, 20, 20, 20]
        clip-mode: clip
    - type: clip-chain
      id: 5
      clips: [3, 4]
    - type: rect
      bounds: [0, 0, 40, 40]
      color: [255, 0, 0, 1.0]
      clip-chain: 5