docs: @Deprecated
    public AtomixClusterBuilder setBroadcastInterval(Duration interval) {
      GroupMembershipProtocolConfig protocolConfig = config.getProtocolConfig();
      if (protocolConfig instanceof HeartbeatMembershipProtocolConfig) {
        ((HeartbeatMembershipProtocolConfig) protocolConfig).setHeartbeatInterval(interval);
      }
      return this;
    }