code: public Range convertToSeq1Range(Range rangeInSeq2) {
          int from = aabs(convertToSeq1Position(rangeInSeq2.getFrom()));
          int to = aabs(convertToSeq1Position(rangeInSeq2.getTo()));
  
          if (from == -1 || to == -1)
              return null;
  
          return new Range(from, to);
      }
docs: Converts range in sequence2 to range in sequence1, or returns null if input range is not fully covered by
  alignment
  
  @param rangeInSeq2 range in sequence 2
  @return range in sequence1 or null if rangeInSeq2 is not fully covered by alignment