PTP_SIMPLE_CALLBACK regression

[riverar]

// Windows.Win32.System.Threading.PTP_SIMPLE_CALLBACK
 using System.Runtime.InteropServices;
-using Windows.Win32.System.Threading;
 
 [StructLayout((LayoutKind)3, CharSet = (CharSet)4)]
 [UnmanagedFunctionPointer(...)]
-public unsafe delegate void PTP_SIMPLE_CALLBACK([In] PTP_CALLBACK_INSTANCE Instance, [Optional][In][Out] void* Context);
+public delegate void PTP_SIMPLE_CALLBACK();

[riverar]

winnt.h differences in SDK, introduced in 6d6617a

// 10.0.22621.0
typedef VOID (NTAPI *PTP_SIMPLE_CALLBACK)(
    _Inout_     PTP_CALLBACK_INSTANCE Instance,
    _Inout_opt_ PVOID                 Context
    );

// 10.0.26100.0+
typedef
VOID
NTAPI
TP_SIMPLE_CALLBACK (
    _Inout_     PTP_CALLBACK_INSTANCE Instance,
    _Inout_opt_ PVOID                 Context
    );

typedef TP_SIMPLE_CALLBACK *PTP_SIMPLE_CALLBACK;