code: @Override
      protected void setDefaults(Map<String, Object> values) {
          super.setDefaults(values);
          values.put(LINES_COUNT_KEY, DEFAULT_NR_OF_LINES_TO_BE_READ);
      }
docs: /* (non-Javadoc)
  @see nl.hsac.fitnesse.fixture.fit.MapColumnFixture#setDefaults(java.util.Map)