}
      return new String[] {host, hostPortString.substring(closeBracketIndex + 2)};
    }
  }

  /**
   * Provide a default port if the parsed string contained only a host.
   *
   * <p>You can chain this after {@link #fromString(String)} to include a port in case the port was
   * omitted from the input string. If a port was already provided, then this method is a no-op.
   *

            DfsReferralDataImpl third = createInitializedDfsReferralDataImpl();

            // Build chain
            first.append(second);
            first.append(third);

            // Verify chain
            assertEquals(third, first.next());
            assertEquals(second, third.next());
            assertEquals(first, second.next());
        }

        ParseException parseException = new ParseException("Hierarchy test");
        QueryParseException queryParseException = new QueryParseException(parseException);

        // Verify inheritance chain
        assertTrue(queryParseException instanceof QueryParseException);
        assertTrue(queryParseException instanceof FessSystemException);
        assertTrue(queryParseException instanceof RuntimeException);

        assertEquals("test_stackTracePresent", firstElement.getMethodName());
    }

    @Test
    public void test_nestedExceptionChain() {
        // Test nested exception chain
        Throwable rootCause = new IllegalArgumentException("Root cause");
        Throwable middleCause = new IllegalStateException("Middle cause", rootCause);

  @Nullable ValueReference<K, V> getValueReference();

  /** Sets the value reference for this entry. */
  void setValueReference(ValueReference<K, V> valueReference);

  /** Returns the next entry in the chain. */
  @Nullable ReferenceEntry<K, V> getNext();

  /** Returns the entry's hash. */
  int getHash();

  /** Returns the key for this entry. */
  @Nullable K getKey();

  /*

    }

    @Test
    public void test_ApiStartJobResponse_statusFluentChain() {
        final ApiStartJobResponse response = new ApiStartJobResponse();
        // status() returns ApiResponse, so the chain works when called last
        final ApiResponse returned = response.jobLogId("id-1").status(Status.OK);
        assertNotNull(returned);
    }

    @Test
    public void test_ApiStartJobResponse_hasVersionField() {

        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus(), "Status should default to unsuccessful for message ctor");
    }

    // Happy path: message + cause constructor should chain cause and set unsuccessful status
    @ParameterizedTest
    @NullSource
    @ValueSource(strings = { "", "error", "detailed message" })
    @DisplayName("Message+Cause ctor: propagates message/cause and unsuccessful status")

        assertArrayEquals(pathBytes, actualPath);
    }

    @Test
    @DisplayName("Should handle chain operation correctly")
    void testChain() {
        // Given
        ServerMessageBlock2 nextMessage = mock(ServerMessageBlock2.class);

        // When
        boolean result = request.chain(nextMessage);

        // Then
        verify(nextMessage).setTreeId(Smb2Constants.UNSPECIFIED_TREEID);

     * @param config the configuration
     * @param fid the file identifier
     * @param offset the file offset to read from
     * @param maxCount the maximum number of bytes to read
     * @param andx the next command in the chain
     */
    public SmbComReadAndX(final Configuration config, final int fid, final long offset, final int maxCount, final ServerMessageBlock andx) {
        super(config, SMB_COM_READ_ANDX, andx);
        this.fid = fid;

   */
  @JvmStatic
  fun fragmentBuffer(buffer: Buffer): Buffer {
    // Write each byte into a new buffer, then clone it so that the segments are shared.
    // Shared segments cannot be compacted so we'll get a long chain of short segments.
    val result = Buffer()
    while (!buffer.exhausted()) {
      val box = Buffer()
      box.write(buffer, 1)
      result.write(box.copy(), 1)
    }
    return result
  }