docs: public void beginImport()
          {
          try
              {
              if (m_writer == null)
                  {
                  m_writer = m_writerFactory.create();
                  }
              CsvPreference preferences =
                      new CsvPreference.Builder(m_quoteChar, m_delimiterChar, m_endOfLineSymbols).build();
              m_csvWriter = new CsvMapWriter(m_writer, preferences);
              m_csvWriter.writeHeader(m_propertyNames);
              }
          catch (IOException e)
              {
              throw new RuntimeException(e);
              }
          }