public MultiplexingDiscovery(NetworkParameters params,List<PeerDiscovery> seeds){
  checkArgument(!seeds.isEmpty());
  this.netParams=params;
  this.seeds=seeds;
}

public MultiplexingDiscovery ( NetworkParameters params , List < PeerDiscovery > seeds ) { checkArgument ( ! seeds . isEmpty ( ) ) ; this . netParams = params ; this . seeds = seeds ; }
will query the given seeds in parallel before producing a merged response .
