for (ParticipantId participant : fields.participants) {
SlobId udwId = participantsToUdws.get(participant);
log.info("Indexing " + convId.getId() + " for " + participant.getAddress() +
(udwId != null ? " with udw " + udwId : " with no udw"));
Supplement supplement = udwId == null ? null : getSupplement(loadUdw(convId, udwId));
index(fields, participant, supplement);
}
}