public Integer getFieldPositionInList(final String fieldName) {
        final Map<String, Integer> fieldPositionMap = getFieldPositionMap();
        return fieldPositionMap.get(fieldName);
    }
Held in a set to prevent duplicates.
<p>
XMLTransient to force JAXB to use the setter
stroom-core-shared/src/main/java/stroom/statistics/impl/sql/shared/StatisticsDataSourceData.java