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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "0.6.3",
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "permissions": [
    "storage",
    "contextMenus",
    "scripting",
    "declarativeNetRequestWithHostAccess"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "/data/icons/active/16.png",
    "32": "/data/icons/active/32.png",
    "48": "/data/icons/active/48.png",
    "64": "/data/icons/active/64.png",
    "128": "/data/icons/active/128.png",
    "256": "/data/icons/active/256.png"
  },
  "storage": {
    "managed_schema": "schema.json"
  },
  "background": {
    "service_worker": "worker.js"
  },
  "action": {
    "default_popup": "/data/popup/index.html"
  },
  "homepage_url": "https://webextension.org/listing/useragent-switcher.html",
  "options_ui": {
    "page": "/data/options/index.html",
    "open_in_tab": true
  }
}