Request
constructor(url: String, urlFragment: String? = null, method: String, headers: Map<String, JsonElement>, postData: String? = null, hasPostData: Boolean? = null, postDataEntries: List<Network.PostDataEntry>? = null, mixedContentType: Security.MixedContentType? = null, initialPriority: Network.ResourcePriority, referrerPolicy: String, isLinkPreload: Boolean? = null, trustTokenParams: Network.TrustTokenParams? = null, isSameSite: Boolean? = null)