# System.Runtime.InteropServices

``` diff
 namespace System.Runtime.InteropServices {
     public enum Architecture {
+        RiscV64 = 9,
     }
     public static class Marshal {
-        public static int QueryInterface(IntPtr pUnk, ref Guid iid, out IntPtr ppv);
+        public static int QueryInterface(IntPtr pUnk, in Guid iid, out IntPtr ppv);
     }
+    public sealed class WasmImportLinkageAttribute : Attribute {
+        public WasmImportLinkageAttribute();
+    }
 }
```

