void resetParticipant(String[] optValues) {
String clusterName = optValues[0];
String participantName = optValues[1];
Set<ParticipantId> participantIds = ImmutableSet.of(ParticipantId.from(participantName));
ParticipantAccessor accessor = participantAccessor(clusterName);
accessor.resetParticipants(participantIds);
}
void addStat(String[] optValues) {
String clusterName = optValues[0];
String statName = optValues[1];