def __init__(self):
        vstruct.VStruct.__init__(self)
        self.BucketIndex = v_uint8()
        self.IsBucket = v_uint8()
        self.SlotIndex = v_uint16()
        self.AvailableSubsegmentCount = v_uint32()
        self.Lock = RTL_SRWLOCK()
        self.AvailableSubsegmentList = LIST_ENTRY()
        self.FullSubsegmentList = LIST_ENTRY()