webSocket

suspend fun HttpClient.webSocket(request: HttpRequestBuilder.() -> Unit, block: suspend DefaultClientWebSocketSession.() -> Unit)
suspend fun HttpClient.webSocket(method: HttpMethod = HttpMethod.Get, host: String = "localhost", port: Int = DEFAULT_PORT, path: String = "/", request: HttpRequestBuilder.() -> Unit = {}, block: suspend DefaultClientWebSocketSession.() -> Unit)
suspend fun HttpClient.webSocket(urlString: String, request: HttpRequestBuilder.() -> Unit = {}, block: suspend DefaultClientWebSocketSession.() -> Unit)

Open block with DefaultClientWebSocketSession.