code: private boolean inRange() {
          if (m_working == null || m_nextOut == null) {
              return false;
          }
  
          Timestamp rangeUpper = m_nextOut.getTimestamp();
          Timestamp rangeLower = m_nextOut.getTimestamp().minus(m_resolution);
  
          return m_working.getTimestamp().lte(rangeUpper) && m_working.getTimestamp().gt(rangeLower);
      }
docs: true if the working input Row is within the Range of the next output Row; false otherwise