union _unnamed_390// Size=0x40
{
    struct _unnamed_384 Read;// Offset=0x0 Size=0x8
    struct _unnamed_385 Write;// Offset=0x0 Size=0x4
    struct _unnamed_386 Event;// Offset=0x0 Size=0x4
    struct _unnamed_387 Notification;// Offset=0x0 Size=0x4
    struct _unnamed_388 LowPriWrite;// Offset=0x0 Size=0x1c
    struct _unnamed_389 AsyncRead;// Offset=0x0 Size=0x40
};