{
  "cmp": {
    "mainMenu": {
      "inner": {
        "size": {
          "width": {
            "value": "calc({cmp.mainMenu.size.width.expanded.value} + {alias.space.cmp.xl.value})"
          }
        },
        "space": {
          "value": "{alias.space.cmp.md.value}"
        }
      }
    }
  }
}