Added cleaned up structs and classes to proper header files.

source/engine/sys/xenon/xen_overlapped_operation.h

@@ -0,0 +1,19 @@
+#pragma once
+
+// Reconstructed C++ declarations from IDA Local Types and PDB/DIA metadata.
+// Original PDB header: w:\tech5\engine\sys\xenon\xen_overlapped_operation.h
+// Recovered logical types: 1
+// Signatures retain Xbox 360 ABI evidence and may still require manual review.
+
+
+// IDA Local Type ordinal 22502; PDB kind: class.
+class OverlappedOperation
+{
+public:
+  // Recovered virtual interface; IDA vtable ordinal 22503.
+  virtual ~OverlappedOperation();
+  virtual void OnCompleted();
+  virtual void OnFailed();
+
+  _XOVERLAPPED overlapped;
+};