Examine source code of Smart Tab Search

{
  "manifest_version": 2,
  "name": "Tab Search",
  "version": "2.0",
  "description": "Smart tab search: title, URL, content, fuzzy matching",
  "permissions": [
    "tabs",
    "<all_urls>",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-search@local.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Tab Search"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  }
}