{
  "cmp": {
    "popover": {
      "elevation": {
        "zIndex": {
          "base": {
            "value": "{alias.elevation.zIndex.depth.activated.value}"
          }
        }
      },
      "shape": {
        "borderRadius": {
          "value": "{cmp.panel.shape.borderRadius.value}"
        }
      }
    }
  }
}