{
  "short_name": "Demonstration",
  "name": "Varilux XR",
  "icons": [
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      "type": "image/png",
      "sizes": "36x36"
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      "src": "images/logo48.png",
      "type": "image/png",
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      "type": "image/png",
      "sizes": "72x72"
    },
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      "src": "images/logo96.png",
      "type": "image/png",
      "sizes": "96x96"
    },
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      "src": "images/logo120.png",
      "type": "image/png",
      "sizes": "120x120"
    },
    {
      "src": "images/logo144.png",
      "type": "image/png",
      "sizes": "144x144"
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      "src": "images/logo180.png",
      "type": "image/png",
      "sizes": "180x180"
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      "type": "image/png",
      "sizes": "192x192"
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    {
      "src": "images/logo384.png",
      "type": "image/png",
      "sizes": "384x384"
    },
    {
      "src": "images/logo512.png",
      "type": "image/png",
      "sizes": "512x512"
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  ],
  "start_url": "./",
  "display": "standalone",
  "theme_color": "#000000",
  "background_color": "#ffffff"
}