private static org.ucam.srcf.assassins.plugins.vanilla.proto.Kill convertKill(Kill stateChange) {
   return org.ucam.srcf.assassins.plugins.vanilla.proto.Kill.newBuilder()
       .setKiller(PlayerConverter.convertStorageToProto(stateChange.getKiller()))
       .setVictim(PlayerConverter.convertStorageToProto(stateChange.getVictim()))
       .build();
 }
 private static Kill convertKill(org.ucam.srcf.assassins.plugins.vanilla.proto.Kill kill) {
   Kill domainKill = new Kill();
   domainKill.setKiller(PlayerConverter.convertProtoToStorage(kill.getKiller()));
   domainKill.setVictim(PlayerConverter.convertProtoToStorage(kill.getVictim()));
   return domainKill;
 }