Examine source code of TabSortPro

{
  "manifest_version": 2,
  "name": "TabSortPro",
  "version": "1.0",
  "description": "An extension that uniquely sorts your browser tabs based on title or URL. It also offers the ability to prioritize sorting by specific strings, keeping your important tabs at your fingertips.",
  "permissions": [
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "TabSortPro",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f0adc135-cfbc-4d2d-b80e-2168bdfada1a}"
    }
  }
}