Examine source code of Export Bookmarks as Text

{
  "author": "igorlogius",
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{04de84a6-ec4c-47c9-8e26-9094cfb1d3f5}"
    }
  },
  "homepage_url": "https://github.com/igorlogius/webextensions/tree/main/sources/export-bookmarks-as-text",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "description": "Export Bookmarks as Text",
  "icons": {
    "320": "icon.png"
  },
  "browser_action": {
    "default_area": "navbar",
    "default_title": "Export Bookmarks as Text"
  },
  "manifest_version": 2,
  "name": "Export Bookmarks as Text",
  "options_ui": {
    "open_in_tab": true,
    "page": "export.html"
  },
  "permissions": [
    "bookmarks"
  ],
  "version": "1.2.11"
}