Examine source code of Cookie Manager

{
  "manifest_version": 3,
  "name": "Cookie Manager",
  "description": "Bulk view, copy, and set cookies from a standard cookie header string",
  "version": "1.0.0",
  "action": {
    "default_icon": {
      "16": "icons/cookie-16.png",
      "32": "icons/cookie-32.png",
      "48": "icons/cookie-48.png",
      "128": "icons/cookie-128.png"
    },
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icons/cookie-16.png",
    "32": "icons/cookie-32.png",
    "48": "icons/cookie-48.png",
    "128": "icons/cookie-128.png"
  },
  "permissions": [
    "cookies",
    "storage",
    "activeTab"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cookie-manager@tiagocarvalho.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}