Got at least one data fetching method working; turns out, we can't use a patched LogicStack to get the data

Vendor/EmbedIO-3.5.2/WebSockets/IWebSocketReceiveResult.cs

@@ -0,0 +1,32 @@
+namespace EmbedIO.WebSockets
+{
+    /// <summary>
+    /// Interface for WebSocket Receive Result object.
+    /// </summary>
+    public interface IWebSocketReceiveResult
+    {
+        /// <summary>
+        /// Gets the count.
+        /// </summary>
+        /// <value>
+        /// The count.
+        /// </value>
+        int Count { get; }
+        
+        /// <summary>
+        /// Gets a value indicating whether [end of message].
+        /// </summary>
+        /// <value>
+        ///   <c>true</c> if [end of message]; otherwise, <c>false</c>.
+        /// </value>
+        bool EndOfMessage { get; }
+        
+        /// <summary>
+        /// Gets the type of the message.
+        /// </summary>
+        /// <value>
+        /// The type of the message.
+        /// </value>
+        int MessageType { get; }
+    }
+}