public IncludeExcludeEntityIdSet<Feed> obtainFeeds() {
        if (feedIdSet != null) {
            feeds = new IncludeExcludeEntityIdSet<>();
            feeds.setInclude(feedIdSet);
            this.feedIdSet = null;
        }

        if (feeds == null) {
            feeds = new IncludeExcludeEntityIdSet<>();
        }
        return feeds;
    }
You must use feeds 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