Examine source code of Umbrella by CloudDay.io

{
  "manifest_version": 2,
  "name": "Umbrella by CloudDay.io",
  "short_name": "Umbrella",
  "version": "1.4.0",
  "description": "Blocks trackers, rejects cookie banners, strips tracking parameters, protects WebRTC, detects data brokers, and syncs opt-outs with your CloudDay.io® dashboard.",
  "icons": {
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "webNavigation",
    "webRequest",
    "webRequestBlocking",
    "privacy",
    "notifications",
    "declarativeNetRequest",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "bridge.js",
    "content.css",
    "lists/*",
    "popup.js"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>",
        "file://*/*"
      ],
      "js": [
        "bridge_inject.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "<all_urls>",
        "file://*/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "umbrella@cloudday.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}