---
root:
  items:
    - type: conic-gradient
      bounds: 50 50 200 200
      center: 100 100
      angle: 0.0
      stops: [0.0, red, 0.25, red,
              0.25, green, 0.5, green,
              0.5, blue, 0.75, blue,
              0.75, black, 1.0, black]