# System.Net.WebSockets

``` diff
 namespace System.Net.WebSockets {
     public sealed class ClientWebSocket : WebSocket {
+        public IReadOnlyDictionary<string, IEnumerable<string>>? HttpResponseHeaders { get; set; }
+        public HttpStatusCode HttpStatusCode { get; }
+        public Task ConnectAsync(Uri uri, HttpMessageInvoker? invoker, CancellationToken cancellationToken);
     }
     public sealed class ClientWebSocketOptions {
+        [UnsupportedOSPlatformAttribute("browser")]
+        public bool CollectHttpResponseDetails { get; set; }
+        public Version HttpVersion { get; [UnsupportedOSPlatformAttribute("browser")] set; }
+        public HttpVersionPolicy HttpVersionPolicy { get; [UnsupportedOSPlatformAttribute("browser")] set; }
     }
 }
```

