struct _unnamed_588// Size=0x20
{
    void  ( * CallerCompletion)(struct _DEVICE_OBJECT * ,unsigned char ,union _POWER_STATE ,void * ,struct _IO_STATUS_BLOCK * );// Offset=0x0 Size=0x8
    void * CallerContext;// Offset=0x8 Size=0x8
    struct _DEVICE_OBJECT * CallerDevice;// Offset=0x10 Size=0x8
    unsigned char SystemWake;// Offset=0x18 Size=0x1
};