void onLeadershipChange(boolean isLeader, boolean hasLeader) {
log.debug("{}: onLeadershipChange, isLeader: {}, hasLeader : {}", persistenceId(), isLeader, hasLeader);
void onLeadershipChange(boolean isLeader, boolean hasLeader) {
log.debug("{}: onLeadershipChange, isLeader: {}, hasLeader : {}", persistenceId(), isLeader, hasLeader);