Examine source code of Cookie Cleaner

{
  "name": "Cookie Cleaner",
  "version": "1.2",
  "description": "Remove cookies and stored data for Microsoft domains (Firefox only)",
  "manifest_version": 3,
  "author": "svante@swantzter.se",
  "homepage_url": "https://github.com/swantzter/crx-cookie-cleaner",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "cookies",
    "browsingData"
  ],
  "host_permissions": [
    "*://*.cloud.microsoft/*",
    "*://*.microsoft.com/*",
    "*://*.microsoftonline.com/*",
    "*://*.office.com/*",
    "*://*.office365.com/*"
  ],
  "action": {
    "default_icon": "icon.svg",
    "default_popup": "popup.html",
    "default_title": "Cookie Cleaner"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "cookie-cleaner@swantzter.se",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}