fetchLater
external fun fetchLater(url: String, options: DeferredRequestInit? = definedExternally): FetchLaterResult(source)
external fun fetchLater(url: URL, options: DeferredRequestInit? = definedExternally): FetchLaterResult(source)
external fun fetchLater(request: Request, options: DeferredRequestInit? = definedExternally): FetchLaterResult(source)