* @return true if all patterns must match, false if only one needs to match
     */
    public boolean isAllRequired() {
        return allRequired;
    }

    /**
     * Sets whether all regular expressions must match for this rule to match.
     * @param allRequired true if all patterns must match, false if only one needs to match
     */
    public void setAllRequired(final boolean allRequired) {

    boolean isFrameworkDebug();

    /**
     * Get the value for the key 'time.adjust.time.millis'. <br>
     * The value is, e.g. 0 <br>
     * comment: <br>
     * one day: 86400000, three days: 259200000, five days: 432000000, one week: 604800000, one year: 31556926000<br>
     * special script :: absolute mode: $(2014/07/10), relative mode: addDay(3).addMonth(4)<br>

 * @author mbechler
 *
 * <p>This interface is intended for internal use.</p>
 */
public interface BufferCache {

    /**
     * Gets a buffer from the cache or creates a new one if the cache is empty.
     *
     * @return a buffer from the cache, or a new one
     */
    byte[] getBuffer();

    /**
     * Return a buffer to the cache
     *
     * @param buf the buffer to return to the cache for reuse
     */

    }

    @Test
    @DisplayName("Should join multiple elements with delimiter")
    void testJoinMultipleElements() {
        String result = StringUtil.join(",", "one", "two", "three", "four");
        assertEquals("one,two,three,four", result);
    }

    @Test
    @DisplayName("Should join with empty string delimiter")
    void testJoinWithEmptyDelimiter() {

        // Act: Call the method under test
        String actualUserName = ntlmRequest.getRemoteUser();

        // Assert: Verify that the returned user name is the expected one
        assertEquals(expectedUserName, actualUserName, "getRemoteUser should return the principal's name.");
    }

    /**
     * Test method for {@link NtlmHttpServletRequest#getUserPrincipal()}.

     */
    public void clear() {
        urlQueueMap.clear();
        sessionMap.clear();
    }

    /**
     * Returns the URL queue for the specified session ID.
     * Creates a new queue if one doesn't exist.
     * @param sessionId the session ID
     * @return the URL queue for the session
     */
    public synchronized Queue<UrlQueueImpl<Long>> getUrlQueueList(final String sessionId) {

        suggester.createIndexIfNothing();
        Thread.sleep(100);

        // Verify initial state - should have one index
        GetAliasesResponse aliasResponse = client.admin().indices().prepareGetAliases(suggester.getIndex()).execute().actionGet();
        assertTrue("Should have at least one index initially", aliasResponse.getAliases().size() >= 1);

        // Create next index - this is the main method we're testing

        idx += 2;
        SMBUtil.writeInt2(reserved1, data, idx);
        idx += 2;
        SMBUtil.writeInt4(reserved2, data, idx);
        idx += 4;

        // SMB_DIRECT_RDMA_TRANSFORM array (only one element)
        SMBUtil.writeInt2(rdmaTransformId, data, idx);
        idx += 2;
        SMBUtil.writeInt2(0, data, idx); // Reserved
        idx += 2;
        SMBUtil.writeInt4(0, data, idx); // Reserved
        idx += 4;

        assertFalse(it.hasNext(), "Iterator should be exhausted");

        // Close explicitly to exercise doCloseInternal
        it.close();

        // Verify interactions: one create, two additional directory queries (for fetchMore), one close
        verify(tree, times(1)).send(argThat((Request<?> r) -> r instanceof Smb2CreateRequest));
        verify(tree, times(2)).send(argThat((Request<?> r) -> r instanceof Smb2QueryDirectoryRequest));

        map.put("one", 1);
        map.put("two", 2);
        binary = SerializeUtil.fromObjectToBinary(map);
        @SuppressWarnings("unchecked")
        final Map<String, Integer> resultMap = (Map<String, Integer>) SerializeUtil.fromBinaryToObject(binary);
        assertEquals(map.size(), resultMap.size());
        assertEquals(map.get("one"), resultMap.get("one"));
    }

    /**