Examine source code of ZXPath

{
  "description": "like other xpath extension but with the purpose of generating usable web driver code for your preferred language",
  "manifest_version": 2,
  "name": "ZXPath",
  "version": "1.0.2",
  "homepage_url": "https://github.com/joshzcold/zxpath",
  "web_accessible_resources": [
    "icons/*"
  ],
  "background": {
    "scripts": [
      "background_scripts/background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "ZXpath",
    "default_popup": "popup/tools.html"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "<all_urls>",
    "storage",
    "clipboardWrite"
  ]
}