* builds an empty map.
     *
     * <p>If the {@code resolve} parameter value is {@code false}, then some or all map values may
     * be null instead of the actual module name. This option can avoid the cost of reading module
     * descriptors when only the modules existence needs to be verified.</p>
     *
     * <p><b>Algorithm:</b>
     * If the given path is a directory, then there is a choice:

        public String getJvmCrawlerOptions() {
            return get(FessConfig.JVM_CRAWLER_OPTIONS);
        }

        public String getJvmSuggestOptions() {
            return get(FessConfig.JVM_SUGGEST_OPTIONS);
        }

        public String getJvmThumbnailOptions() {
            return get(FessConfig.JVM_THUMBNAIL_OPTIONS);
        }

        public String getJobSystemJobIds() {

        assertArgumentNotNull("options", options);

        final T dest = ClassUtil.newInstance(destClass);
        copyMapToMap(src, dest, options);
        return dest;
    }

    protected static CopyOptions buildCopyOptions(final Consumer<CopyOptions> option) {
        final CopyOptions copyOptions = new CopyOptions();
        option.accept(copyOptions);
        return copyOptions;
    }

     * Otherwise, if the main artifact is placed on the module-path ({@value #JAR} or {@value #MODULAR_JAR} types),
     * then the test artifact will be added using {@code --patch-module} option.
     */
    String TEST_JAR = "test-jar";

    /**
     * Returns the dependency type id.
     * The id uniquely identifies this <i>dependency type</i>.
     *

   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.filter(type::isInstance).map(type::cast)}.
   * This does perform a little more work than necessary, so another option is to insert an
   * unchecked cast at some later point:
   *
   * <pre>
   * {@code @SuppressWarnings("unchecked") // safe because of ::isInstance check
   * ImmutableList<NewType> result =

 * href="http://en.wikipedia.org/wiki/Null_Object_pattern">null object</a> for the type in question.
 *
 * <p>This class is not intended as a direct analogue of any existing "option" or "maybe" construct
 * from other programming environments, though it may bear some similarities.
 *
 * <p>An instance of this class is serializable if its reference is absent or is a serializable
 * object.
 *

    // transformEntries(map1, transformer);
    // transformEntries(map4, transformer);
    // transformEntries(map7, transformer);
  }

  public void testTransformEntriesExample() {
    Map<String, Boolean> options = ImmutableMap.of("verbose", true, "sort", false);
    EntryTransformer<String, Boolean, String> flagPrefixer =
        new EntryTransformer<String, Boolean, String>() {
          @Override

    // transformEntries(map1, transformer);
    // transformEntries(map4, transformer);
    // transformEntries(map7, transformer);
  }

  public void testTransformEntriesExample() {
    Map<String, Boolean> options = ImmutableMap.of("verbose", true, "sort", false);
    EntryTransformer<String, Boolean, String> flagPrefixer =
        new EntryTransformer<String, Boolean, String>() {
          @Override

            .withFeatures(CollectionSize.ANY, CollectionFeature.GENERAL_PURPOSE)
            .createTestSuite());
    return suite;
  }

  // Overkill alert!  Test all combinations of 0-2 options during creation.

  public void testCreation_simple() {
    MinMaxPriorityQueue<Integer> queue = MinMaxPriorityQueue.create();
    assertEquals(11, queue.capacity());
    checkUnbounded(queue);
    checkNatural(queue);

       * a valid value for V.
       */
      return uncheckedNull();
    } else {
      @SuppressWarnings("unchecked") // this is the only other option
      V asV = (V) obj;
      return asV;
    }
  }

  @Override
  public boolean isDone() {
    final Object localValue = value;
    return localValue != null & !(localValue instanceof SetFuture);