public void dumpString(final StringBuilder sbLong,final long start,final long end){
  sbLong.append("[");
  sbLong.append(start);
  sbLong.append("] ");
  for (long i=start; i < end; i++) {
    sbLong.append("  ");
    sbLong.append(FormatInteger.toBits(get(i)));
  }
  sbLong.append(LS);
}

public void dumpString ( final StringBuilder sbLong , final long start , final long end ) { sbLong . append ( "[" ) ; sbLong . append ( start ) ; sbLong . append ( "] " ) ; for ( long i = start ; i < end ; i ++ ) { sbLong . append ( "  " ) ; sbLong . append ( FormatInteger . toBits ( get ( i ) ) ) ; } sbLong . append ( LS ) ; }
string representation on one line of part of the index .
