Examine source code of Autofill Data

{
  "manifest_version": 3,
  "name": "Autofill Data",
  "version": "1.0",
  "description": "Save and fill form data",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "autofilldata@userfile.org",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icon.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}