Examine source code of eBay Collection Only Hider

{
  "manifest_version": 3,
  "name": "eBay Collection Only Hider",
  "version": "1.0.0",
  "author": "harjoat",
  "description": "Hide collection-only eBay listings from search results with a popup toggle and counter.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "*://ebay.com/*",
    "*://*.ebay.com/*",
    "*://ebay.co.uk/*",
    "*://*.ebay.co.uk/*",
    "*://ebay.de/*",
    "*://*.ebay.de/*",
    "*://ebay.fr/*",
    "*://*.ebay.fr/*",
    "*://ebay.it/*",
    "*://*.ebay.it/*",
    "*://ebay.es/*",
    "*://*.ebay.es/*",
    "*://ebay.ca/*",
    "*://*.ebay.ca/*",
    "*://ebay.com.au/*",
    "*://*.ebay.com.au/*",
    "*://ebay.nl/*",
    "*://*.ebay.nl/*",
    "*://ebay.be/*",
    "*://*.ebay.be/*",
    "*://ebay.at/*",
    "*://*.ebay.at/*",
    "*://ebay.ie/*",
    "*://*.ebay.ie/*",
    "*://ebay.ch/*",
    "*://*.ebay.ch/*",
    "*://ebay.pl/*",
    "*://*.ebay.pl/*",
    "*://ebay.com.sg/*",
    "*://*.ebay.com.sg/*",
    "*://ebay.com.my/*",
    "*://*.ebay.com.my/*",
    "*://ebay.ph/*",
    "*://*.ebay.ph/*",
    "*://ebay.com.hk/*",
    "*://*.ebay.com.hk/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://ebay.com/*",
        "*://*.ebay.com/*",
        "*://ebay.co.uk/*",
        "*://*.ebay.co.uk/*",
        "*://ebay.de/*",
        "*://*.ebay.de/*",
        "*://ebay.fr/*",
        "*://*.ebay.fr/*",
        "*://ebay.it/*",
        "*://*.ebay.it/*",
        "*://ebay.es/*",
        "*://*.ebay.es/*",
        "*://ebay.ca/*",
        "*://*.ebay.ca/*",
        "*://ebay.com.au/*",
        "*://*.ebay.com.au/*",
        "*://ebay.nl/*",
        "*://*.ebay.nl/*",
        "*://ebay.be/*",
        "*://*.ebay.be/*",
        "*://ebay.at/*",
        "*://*.ebay.at/*",
        "*://ebay.ie/*",
        "*://*.ebay.ie/*",
        "*://ebay.ch/*",
        "*://*.ebay.ch/*",
        "*://ebay.pl/*",
        "*://*.ebay.pl/*",
        "*://ebay.com.sg/*",
        "*://*.ebay.com.sg/*",
        "*://ebay.com.my/*",
        "*://*.ebay.com.my/*",
        "*://ebay.ph/*",
        "*://*.ebay.ph/*",
        "*://ebay.com.hk/*",
        "*://*.ebay.com.hk/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_title": "eBay Collection Only Hider",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ebay-collection-only-hider@harjoat",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}