{
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    "short_name": "",
    "icons": [
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             "src": "/android-chrome-512x512.png",
             "sizes": "512x512",
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             "sizes": "48x48",
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         },
         {
            "src": "/favicon-32x32.png",
            "sizes": "32x32",
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         {
             "src": "/favicon-16x16.png",
             "sizes": "16x16",
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         },
    ],
    "theme_color": "#ffffff",
    "background_color": "#ffffff",
    "display": "standalone"
}