Examine source code of Synced Tab Groups

{
  "manifest_version" : 3 ,
  "name" : "Synced Tab Groups",
  "version" : "1.0.0",
  "description" : "Sync tab groups across devices using Firefox Account (storage.sync). Requires Firefox 142+ for tab groups APIs.",
  "browser_specific_settings": {
    "gecko": {
      "id": "synced-tab-groups@sefko.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ]
      }
    }
  },
  "permissions" : [
    "tabs" ,
    "tabGroups" ,
    "storage" ,
    "theme" 
  ],
  "background" : {
    "scripts" : [
      "background.js" 
    ]
  },
  "action" : {
    "default_title" : "Open Tab Groups Sync sidebar",
    "default_icon" : {
      "16" : "icons/icon-16.svg",
      "32" : "icons/icon-32.svg",
      "48" : "icons/icon-48.svg"
    }
  },
  "sidebar_action": {
    "default_title" : "Synced Tab Groups",
    "default_panel": "sidebar.html",
    "default_icon" : {
      "16" : "icons/icon-16.svg",
      "32" : "icons/icon-32.svg",
      "48" : "icons/icon-48.svg"
    }
  },
  "options_ui" : {
    "page": "options.html" ,
    "open_in_tab": true
  },
  "icons" : {
    "48" : "icons/icon-48.svg",
    "96" : "icons/icon-96.svg"
  }
}