text: public override long Next(){int idx = 1 + (int)(ord / outerInstance.totalIndexInterval);if (idx >= fieldIndex.numIndexTerms){return -1;}ord += outerInstance.totalIndexInterval;long offset = fieldIndex.termOffsets.Get(idx);int length = (int)(fieldIndex.termOffsets.Get(1 + idx) - offset);outerInstance.termBytesReader.FillSlice(term, fieldIndex.termBytesStart + offset, length);return fieldIndex.termsStart + fieldIndex.termsDictOffsets.Get(idx);}