docs: @Override
      public void setConf(Configuration conf) {
          super.setConf(conf);
          featureFirstColumn = conf.getInt(FEATURE_FIRST_COLUMN, 0);
          hasLabel = conf.getBoolean(HAS_LABELS, true);
          multilabel = conf.getBoolean(MULTILABEL, false);
          labelFirstColumn = conf.getInt(LABEL_FIRST_COLUMN, -1);
          labelLastColumn = conf.getInt(LABEL_LAST_COLUMN, -1);
          featureLastColumn = conf.getInt(FEATURE_LAST_COLUMN, labelFirstColumn > 0 ? labelFirstColumn-1 : -1);
          zeroBasedIndexing = conf.getBoolean(ZERO_BASED_INDEXING, false);
          zeroBasedLabelIndexing = conf.getBoolean(ZERO_BASED_LABEL_INDEXING, false);
      }