public IdRange obtainStreamIdRange() {
        if (streamIdRange == null) {
            streamIdRange = new IdRange();
        }
        return streamIdRange;
    }
You must use setFeeds() instead this is here for compatibility with
previous versions.
stroom-legacy/stroom-legacy-model_6_1/src/main/java/stroom/legacy/model_6_1/OldFindStreamCriteria.java