@J2ktIncompatible
        private void writeObject(ObjectOutputStream stream) throws IOException {
      stream.defaultWriteObject();
      stream.writeObject(factory);
      stream.writeObject(backingMap());
    }

    @GwtIncompatible
    @J2ktIncompatible
        @SuppressWarnings("unchecked") // reading data stored by writeObject

    return delegate().isEmpty();
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V remove(@Nullable Object key) {
    return delegate().remove(key);
  }

  @Override
  public void clear() {
    delegate().clear();
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    return delegate().containsKey(key);
  }

  @Override

    return delegate.ceilingEntry(checkValid(key));
  }

  @Override
  public @Nullable K ceilingKey(K key) {
    return delegate.ceilingKey(checkValid(key));
  }

  @Override
  public void clear() {
    delegate.clear();
  }

  @Override
  public Comparator<? super K> comparator() {
    Comparator<? super K> comparator = delegate.comparator();
    if (comparator == null) {

            }
        }
    }

    protected PrintStream out;

    protected AbstractMavenTransferListener(PrintStream out) {
        this.out = out;
    }

    @Override
    public void transferInitiated(TransferEvent event) {
        String darkOn = MessageUtils.isColorEnabled() ? ANSI_DARK_SET : "";
        String darkOff = MessageUtils.isColorEnabled() ? ANSI_DARK_RESET : "";

     *
     * @param properties The map containing key-value pairs to be interpolated.
     * @param callback The function to resolve variable values not found in the map.
     */
    default void interpolate(@Nonnull Map<String, String> properties, @Nullable UnaryOperator<String> callback) {
        interpolate(properties, callback, null, true);
    }

    /**

    } catch (ExecutionException e) {
      wrapAndThrowExceptionOrError(e.getCause(), exceptionClass);
      throw new AssertionError();
    }
  }

  @VisibleForTesting
  interface GetCheckedTypeValidator {
    void validateClass(Class<? extends Exception> exceptionClass);
  }

  private static GetCheckedTypeValidator bestGetCheckedTypeValidator() {
    return GetCheckedTypeValidatorHolder.BEST_VALIDATOR;
  }

  @VisibleForTesting

        runningThread = thread;
        running.set(true);
    }

    /**
     * {@inheritDoc}
     *
     * @see org.codelibs.core.timer.TimeoutTarget#expired()
     */
    @Override
    public void expired() {
        int count = 0;
        while (running.get() && count < MAX_LOOP_COUNT) {
            if (logger.isDebugEnabled()) {
                logger.debug("Interrupt {}", runningThread);
            }

     *
     * @param zis
     *            {@link ZipInputStream}. Must not be {@literal null}.
     * @see ZipInputStream#reset()
     */
    public static void reset(final ZipInputStream zis) {
        assertArgumentNotNull("zis", zis);

        try {
            zis.reset();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }

    public String getId() {
        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void validateRawModel(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

    /**
     * Checks the specified (effective) model for missing or invalid values. The effective model is fully assembled and