*/
@RequiresApi(Build.VERSION_CODES.Q)
@ExperimentalOkHttpApi
class AndroidAsyncDns(
  private val dnsClass: AsyncDns.DnsClass,
  private val network: Network? = null,
) : AsyncDns {
  @RequiresApi(Build.VERSION_CODES.Q)
  internal val resolver = DnsResolver.getInstance()
  private val executor = Executors.newSingleThreadExecutor()

  override fun query(
    hostname: String,

    SecurityBlob ( byte[] b ) {
        set(b);
    }


    void set ( byte[] b ) {
        this.b = b == null ? new byte[0] : b;
    }


    byte[] get () {
        return this.b;
    }


    int length () {
        if ( this.b == null )
            return 0;
        return this.b.length;
    }


    /*
     * (non-Javadoc)
     * 

    @Override
    public WorkspaceRepository getRepository() {
        return WORKSPACE_REPOSITORY;
    }

    @Override
    public File findArtifact(Artifact artifact) {
        return null;
    }

    @Override
    public List<String> findVersions(Artifact artifact) {
        return Collections.emptyList();
    }

    @Override
    public Model findModel(Artifact artifact) {

        stack.addFirst(document.createElement("root"));
    }

    List<Element> getElements() {
        List<Element> elements = new ArrayList<Element>();
        for (Node node = stack.getLast().getFirstChild(); node != null; node = node.getNextSibling()) {
            elements.add((Element) node);
        }
        return elements;
    }

    public void appendChild(String text) {
        appendChild(document.createTextNode(text));

   * @return an immutable {@link Collection} containing all the different permutations of the
   *     original iterable.
   * @throws NullPointerException If the specified iterable is null, has any null elements, or if
   *     the specified comparator is null.
   * @since 12.0
   */
  public static <E> Collection<List<E>> orderedPermutations(
      Iterable<E> elements, Comparator<? super E> comparator) {

                    throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
                    return null;
                })).status(ApiResult.Status.OK).result());
    }

    // PUT /api/admin/scheduler/setting
    @Execute
    public JsonResponse<ApiResult> put$setting(final CreateBody body) {

            logger.debug("Adding {}", dataMap);
        }

        //   required check
        final Object urlObj = dataMap.get(fessConfig.getIndexFieldUrl());
        if (urlObj == null) {
            throw new DataStoreException("url is null. dataMap=" + dataMap);
        }

        final IndexingHelper indexingHelper = ComponentUtil.getIndexingHelper();

    Object unused =
        new Object() {
          @SuppressWarnings({"removal", "Finalize"}) // b/260137033
          @Override
          protected void finalize() {
            future.set(null);
          }
        };
    unused = null; // Hint to the JIT that unused is unreachable
    GcFinalization.awaitDone(future);
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
  }

      lastDelay = delay;
      lastUnit = unit;
      return null;
    }

    @Override
    public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) {
      assertThat(callable).isInstanceOf(WrappedCallable.class);
      lastMethodCalled = "scheduleCallable";
      lastDelay = delay;
      lastUnit = unit;
      return null;
    }

    @Override

        return val;
    }
    private int getDceReferent(Object obj) {
        Entry e;

        if (referents == null) {
            referents = new HashMap();
            referent = 1;
        }

        if ((e = (Entry)referents.get(obj)) == null) {
            e = new Entry();
            e.referent = referent++;
            e.obj = obj;
            referents.put(obj, e);
        }