Examine source code of Quick Mass Edit Bookmark

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDesc__",
  "version": "1.1",
  "default_locale": "fr",
  "permissions": [
    "bookmarks"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "__MSG_extensionName__",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{666a8a14-ec10-4906-8f06-cc34853a3db7}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "sidebar_action": {
    "default_panel": "popup.html",
    "default_title": "__MSG_extensionName__",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}