@Override
    public String toString() {
        return "DashboardSearchResponse{" +
                "queryKey=" + queryKey +
                ", highlights=" + highlights +
                ", errors=" + errors +
                ", tokenError=" + tokenError +
                ", complete=" + complete +
                ", results=" + results +
                '}';
    }
Complete means that all index shards have been searched across the
cluster and there are no more results to come.
stroom-core-shared/src/main/java/stroom/dashboard/shared/DashboardSearchResponse.java