wcall_create
abstract fun wcall_create(userId: String, clientId: String, readyHandler: ReadyHandler, sendHandler: SendHandler, sftRequestHandler: SFTRequestHandler, incomingCallHandler: IncomingCallHandler, missedCallHandler: MissedCallHandler, answeredCallHandler: AnsweredCallHandler, establishedCallHandler: EstablishedCallHandler, closeCallHandler: CloseCallHandler, metricsHandler: MetricsHandler, callConfigRequestHandler: CallConfigRequestHandler, constantBitRateStateChangeHandler: ConstantBitRateStateChangeHandler, videoReceiveStateHandler: VideoReceiveStateHandler, arg: <Error class: unknown class>?): Handle