Examine source code of Private Share

{
  "manifest_version": 3,
  "name": "Private Share",
  "version": "0.3.5.2",
  "description": "Remove tracking from share functions",
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "private-share@voidgroup.net"
    }
  },
  "icons": {
    "16": "icon.svg",
    "32": "icon.svg"
  }
}