chromium/chrome/test/data/webapps_integration/has_sub_apps/.well-known/manifest.webmanifest

{
  "name": "Site With Sub Apps",
  "icons": [
    {
      "src": "/48x48-green.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "/128x128-green.png",
      "sizes": "128x128",
      "type": "image/png"
    },
    {
      "src": "/192x192-green.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/256x256-green.png",
      "sizes": "256x256",
      "type": "image/png"
    }
  ],
  "start_url": "/basic.html",
  "id": "/",
  "scope": "/",
  "version": "1.0.0",
  "display": "standalone",
  "permissions_policy": {
    "cross-origin-isolated": [
      "self"
    ],
    "sub-apps": [
      "self"
    ]
  }
}