@Override
  public Set<InternalDistributedMember> addMembershipListenerAndGetDistributionManagerIds(
      MembershipListener l) {
    // return getOtherDistributionManagerIds();
    return allIds;
  }
Creates a new local distribution manager

@param system The distributed system to which this distribution manager will send messages.
geode-core/src/main/java/org/apache/geode/distributed/internal/LonerDistributionManager.java