}
    }

    @Override
    protected int generateLocalKey() {
        // In real implementation, this would get the local key from DiSNI:
        // return memoryRegister.getLkey();
        return keyGenerator.getAndIncrement();
    }

    @Override
    protected int generateRemoteKey() {
        // In real implementation, this would get the remote key from DiSNI:
        // return memoryRegister.getRkey();

    List<E> head = list.subList(0, size - 1);
    List<E> tail = list.subList(1, size);
    assertEquals(list.get(0), copy.get(0));
    assertEquals(list.get(size - 1), copy.get(size - 1));
    assertEquals(list.get(1), tail.get(0));
    assertEquals(list.get(size - 1), tail.get(size - 2));
    assertEquals(list.get(0), head.get(0));
    assertEquals(list.get(size - 2), head.get(size - 2));

    List<E> head = list.subList(0, size - 1);
    List<E> tail = list.subList(1, size);
    assertEquals(list.get(0), copy.get(0));
    assertEquals(list.get(size - 1), copy.get(size - 1));
    assertEquals(list.get(1), tail.get(0));
    assertEquals(list.get(size - 1), tail.get(size - 2));
    assertEquals(list.get(0), head.get(0));
    assertEquals(list.get(size - 2), head.get(size - 2));

    assertEquals(3, mmHeap.size());
    assertTrue("Heap is not intact after remove()", mmHeap.isIntact());
    assertTrue("Heap contains two 1's", mmHeap.contains(1));
    assertTrue("Heap contains two 1's", mmHeap.remove(1));
    assertTrue("Heap contains 1", mmHeap.contains(1));
    assertTrue("Heap contains 1", mmHeap.remove(1));
    assertFalse("Heap does not contain 1", mmHeap.contains(1));

        // ## Arrange ##
        final String url = "http://example.com";

        // ## Act ##
        final CurlRequest request = Curl.head(url);

        // ## Assert ##
        assertNotNull(request);
        assertEquals(Method.HEAD, request.method());
    }

    @Test
    public void test_OptionsFactoryMethod() {
        // ## Arrange ##
        final String url = "http://example.com";

    }

    /**
     * Creates a new CurlRequest with the HTTP HEAD method for the specified URL.
     *
     * @param url the URL to which the HEAD request is to be made
     * @return a CurlRequest object configured with the HEAD method and the specified URL
     */
    public static CurlRequest head(final String url) {
        return new CurlRequest(Method.HEAD, url);
    }

    /**

    Node<K, V> head;
    Node<K, V> tail;
    int count;

    KeyList(Node<K, V> firstNode) {
      this.head = firstNode;
      this.tail = firstNode;
      firstNode.previousSibling = null;
      firstNode.nextSibling = null;
      this.count = 1;
    }
  }

  private transient @Nullable Node<K, V> head; // the head for all keys

    Node<K, V> head;
    Node<K, V> tail;
    int count;

    KeyList(Node<K, V> firstNode) {
      this.head = firstNode;
      this.tail = firstNode;
      firstNode.previousSibling = null;
      firstNode.nextSibling = null;
      this.count = 1;
    }
  }

  private transient @Nullable Node<K, V> head; // the head for all keys

    }

    private void addHighlightJsToHead(Document document) {
        Element head = document.head();

        head.appendElement("link")
            .attr("rel", "stylesheet")
            .attr("href", "https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.11.1/styles/stackoverflow-light.min.css");

        head.appendElement("script")

        public RequestDataContext get() {
            return method(Method.GET);
        }

        /**
         * Sets the HTTP method to HEAD.
         * @return The current RequestDataContext instance.
         */
        public RequestDataContext head() {
            return method(Method.HEAD);
        }

        /**
         * Sets the HTTP method to POST.
         * @return The current RequestDataContext instance.