question: 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 ) ; }
target:  String representation on one line of part of the index.