Examine source code of Minuette: Event Prober

{
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_extName__",
  "short_name": "Minuette",
  "version": "0.0.7",
  "description": "__MSG_extDesc__",
  "homepage_url": "https://www.ltgc.cc/project/?view=/minuette",
  "browser_action": {
    "default_popup": "ui/popup.htm",
    "default_title": "Minuette"
  },
  "background": {
    "page": "ui/background.htm",
    "persistent": true
  },
  "extension": {
    "eventPages": {
      "enabled": true
    }
  },
  "minimum_chrome_version": "91.0.0",
  "options_page": "ui/placeholder.htm",
  "options_ui": {
    "browser_style": false,
    "page": "ui/options.htm",
    "open_in_tab": true
  },
  "permissions": [
    "activeTab",
    "tabs",
    "cookies",
    "webNavigation",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "minuette@ltgc.cc",
      "strict_min_version": "91.0"
    }
  },
  "content_scripts": [],
  "content_security_policy": "default-src 'self'; script-src 'self'; object-src 'self'; connect-src *;",
  "web_accessible_resources": [
    "*"
  ]
}