RequestInit

inline 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)

Since Kotlin

1.1
fun RequestInit(    method: String? = undefined,     headers: JsAny? = undefined,     body: JsAny? = undefined,     referrer: String? = undefined,     referrerPolicy: JsAny? = undefined,     mode: RequestMode? = undefined,     credentials: RequestCredentials? = undefined,     cache: RequestCache? = undefined,     redirect: RequestRedirect? = undefined,     integrity: String? = undefined,     keepalive: Boolean? = undefined,     window: JsAny? = undefined): RequestInit(source)

Since Kotlin

1.8