public static EffectiveMeta of(final long id,
                                   final String feedName,
                                   final String typeName,
                                   final Instant effectiveTime) {
        return new EffectiveMeta(id, feedName, typeName, effectiveTime.toEpochMilli());
    }
Only to be used as a threshold in {@link NavigableSet#floor(Object)} navigation
where we only care about the effectiveMs.
stroom-meta/stroom-meta-api/src/main/java/stroom/meta/api/EffectiveMeta.java