*/
    private static String createValidType3Message() {
        // Build a properly formatted Type 3 message
        byte[] message = new byte[200];

        // NTLMSSP signature
        System.arraycopy("NTLMSSP\0".getBytes(), 0, message, 0, 8);

        // Type 3 indicator
        message[8] = 0x03;

        // LM Response (24 bytes at offset 64)
        message[12] = 24; // Length

                        // verify the server signature here, this is not done automatically as we don't set the
                        // request digest
                        // Ignore a missing signature for SMB < 3.0, as
                        // - the specification does not clearly require that (it does for SMB3+)

		return
	}

	// if Content-Length is unknown/missing, throw away
	size := r.ContentLength

	rAuthType := getRequestAuthType(r)
	// For auth type streaming signature, we need to gather a different content length.
	switch rAuthType {
	// Check signature types that must have content length
	case authTypeStreamingSigned, authTypeStreamingSignedTrailer, authTypeStreamingUnsignedTrailer:

    public static final int SMB2_FLAGS_REPLAY_OPERATION = 0x20000000;

    private int command;
    private int flags;
    private int length, headerStart, wordCount, byteCount;

    private final byte[] signature = new byte[16];
    private Smb2SigningDigest digest = null;

    private final Configuration config;

    private int creditCharge;
    private int status;
    private int credit;

        // Check SMB1 signature
        if (protocolId == 0x424D53FF) { // 0xFF 'S' 'M' 'B'
            // SMB1
            if (structureSize < 32 || structureSize > 65535) {
                failedValidations.incrementAndGet();
                throw new SmbException("Invalid SMB1 header size: " + structureSize);
            }
        }
        // Check SMB2/3 signature

    }

    @Override
    public @Nullable Object[] toArray() {
      return standardToArray();
    }

    @Override
    @SuppressWarnings("nullness") // bug in our checker's handling of toArray signatures
    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return standardToArray(array);
    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

    @Test
    @DisplayName("toString contains class name and message when provided")
    void toString_containsClassName_and_Message() {
        // Arrange
        String msg = "signature invalid";
        SMBSignatureValidationException ex = new SMBSignatureValidationException(msg);

        // Act
        String s = ex.toString();

        // Assert

  @Override
  public boolean put(@ParametricNullness K key, @ParametricNullness V value) {
    return super.put(key, value);
  }

  /**
   * {@inheritDoc}
   *
   * <p>Though the method signature doesn't say so explicitly, the returned map has {@link List}
   * values.
   */
  @Override
  public Map<K, Collection<V>> asMap() {
    return super.asMap();
  }

  /**

 *
 * <p>The {@link #get}, {@link #removeAll}, and {@link #replaceValues} methods each return a {@link
 * SortedSet} of values, while {@link Multimap#entries()} returns a {@link Set} of map entries.
 * Though the method signature doesn't say so explicitly, the map returned by {@link #asMap} has
 * {@code SortedSet} values.
 *
 * <p><b>Warning:</b> As in all {@link SetMultimap}s, do not modify either a key <i>or a value</i>

  @Override
  public boolean put(@ParametricNullness K key, @ParametricNullness V value) {
    return super.put(key, value);
  }

  /**
   * {@inheritDoc}
   *
   * <p>Though the method signature doesn't say so explicitly, the returned map has {@link List}
   * values.
   */
  @Override
  public Map<K, Collection<V>> asMap() {
    return super.asMap();
  }

  /**