Examine source code of Clear Outlook Cookies

{
  "manifest_version": 2,
  "name": "Clear Outlook Cookies",
  "version": "1.0.0",
  "description": "Removes all cookies for outlook.office.com, including HttpOnly",
  "permissions": [
    "cookies",
    "tabs",
    "https://outlook.office.com/*"
  ],
  "browser_action": {
    "default_title": "Clear Outlook Cookies",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@clear-outlook-cookie",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}