text: public override long RamBytesUsed(){return RamUsageEstimator.AlignObjectSize(RamUsageEstimator.NUM_BYTES_OBJECT_HEADER+ RamUsageEstimator.NUM_BYTES_OBJECT_REF+ RamUsageEstimator.NUM_BYTES_INT64+ RamUsageEstimator.NUM_BYTES_SINGLE)+ current.RamBytesUsed();}