Examine source code of RenameTabAsBookmark

{
  "browser_specific_settings": {
    "gecko": {
      "id": "renametabasbookmark@firefoxextension.org",
      "strict_min_version": "112.0"
    }
  },
  "manifest_version": 2,
  "name": "RenameTabAsBookmark",
  "version": "1.1",
  "description": "Automaticallly renames every browser tabs with first bookmark title matching the tab URL.",
  "background": {
    "scripts": [
      "rename_tab_as_bookmark.js"
    ],
    "type": "module"
  },
  "icons": {
    "48": "icons/RenameTabAsBookmark.png",
    "96": "icons/RenameTabAsBookmark@2x.png"
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "bookmarks",
    "scripting"
  ]
}