@Override
    public String toString() {
        return "EffectiveMetaDataCriteria{" +
                "effectivePeriod=" + effectivePeriod +
                ", feed='" + feed + '\'' +
                ", type='" + type + '\'' +
                '}';
    }
Class used as the search criteria for effective type searches.
These are from date range based searches.
stroom-meta/stroom-meta-api/src/main/java/stroom/meta/api/EffectiveMetaDataCriteria.java