public long ramBytesUsed() {return docs.ramBytesUsed()+ RamUsageEstimator.NUM_BYTES_OBJECT_HEADER+ 2 * Integer.BYTES+ 2 + Long.BYTES+ RamUsageEstimator.NUM_BYTES_OBJECT_REF;}

public long ramBytesUsed ( ) { return docs . ramBytesUsed ( ) + RamUsageEstimator . NUM_BYTES_OBJECT_HEADER + 2 * Integer . BYTES + 2 + Long . BYTES + RamUsageEstimator . NUM_BYTES_OBJECT_REF ; }
public long RamBytesUsed(){return RamUsageEstimator.AlignObjectSize(3 * RamUsageEstimator.NUM_BYTES_OBJECT_REF) + docIDs.RamBytesUsed() + offsets.RamBytesUsed();}
