Examine source code of XPath Highlighter

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "version": "1.1.0",
  "description": "__MSG_extDescription__",
  "action": {
    "default_title": "__MSG_actionTitle__",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{8a6c3a3e-7b8b-4a6d-9ef1-2b8d6f2f9d7e}",
      "strict_min_version": "109.0"
    }
  }
}