RequestInit
fun RequestInit(
method: String? = undefined,
headers: dynamic = undefined,
body: dynamic = undefined,
referrer: String? = undefined,
referrerPolicy: dynamic = undefined,
mode: RequestMode? = undefined,
credentials: RequestCredentials? = undefined,
cache: RequestCache? = undefined,
redirect: RequestRedirect? = undefined,
integrity: String? = undefined,
keepalive: Boolean? = undefined,
window: Any? = undefined
): RequestInit(source)