{
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      { "src": "favicons/favicon-16x16.png", "type": "image/png", "sizes": "16x16" },
      { "src": "favicons/favicon-32x32.png", "type": "image/png", "sizes": "32x32" },
      { "src": "favicons/favicon-180x180.png", "type": "image/png", "sizes": "180x180" },
      { "src": "favicons/favicon-192x192.png", "type": "image/png", "sizes": "192x192" },
      { "src": "favicons/favicon-512x512.png", "type": "image/png", "sizes": "512x512" }
    ]
  }