OptionalapiAPI key sent as Authorization: Bearer <apiKey> (watcher api.apiKey).
Base URL of the watcher API, e.g. http://watcher.internal.example:1936. May carry a path prefix; must not carry a query string or fragment.
Optionalfetchfetch implementation (for tests or custom agents). Default: global fetch.
OptionaltimeoutPer-request timeout in milliseconds. Default: 10000.
Options for createWatcherClient.