Examine source code of UX Recorder

{
  "name": "UX Recorder",
  "version": "3.0.9",
  "manifest_version": 3,
  "default_locale": "en",
  "background": {
    "scripts": [
      "background/service_worker.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "uxrecorder@fabuza.ru",
      "strict_min_version": "112.0"
    }
  },
  "icons": {
    "16": "resources/extension_icon_16.png",
    "48": "resources/extension_icon_48.png",
    "128": "resources/extension_icon_128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_scripts/testrunner_listener.js"
      ],
      "all_frames": false
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "http://localhost/*"
      ],
      "js": [
        "content_scripts/dom_changes.js"
      ],
      "css": [
        "styles/style.css"
      ],
      "all_frames": false
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "http://localhost/*"
      ],
      "js": [
        "content_scripts/mouse_clicks_collector.js",
        "content_scripts/key_press_collector.js",
        "content_scripts/selector_finisher.js"
      ],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "resources/extension_icon_128.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "permissions": [
    "storage",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ]
}