code: private Runtime getRuntime(int runtimeID) {
      ListRuntimesArg.Builder builder = ListRuntimesArg.newBuilder();
      builder.addRuntimeIDList(runtimeID);
      builder.setCreate(true);
  
      Response response = executeMessage(EcmascriptMessage.LIST_RUNTIMES, builder);
      RuntimeList.Builder runtimeListBuilder = RuntimeList.newBuilder();
      buildPayload(response, runtimeListBuilder);
      List<Runtime> runtimes = runtimeListBuilder.build().getRuntimeListList();
      return (runtimes.isEmpty()) ? null : runtimes.get(0);
    }
docs: Queries for the given runtime ID
  
  @param runtimeID The runtime id to query for
  @return {@link Runtime} object if found, <code>null</code> otherwise