void testDifferentFileIds() {
        // Given
        byte[] fileId1 = new byte[16];
        Arrays.fill(fileId1, (byte) 0x11);

        byte[] fileId2 = new byte[16];
        Arrays.fill(fileId2, (byte) 0xFF);

        byte[] fileId3 = new byte[16];
        for (int i = 0; i < 16; i++) {
            fileId3[i] = (byte) i;
        }

        // When & Then for each file ID

            assertTrue(result.contains("fileId=" + Hexdump.toHexString(fileId)));
            assertTrue(result.endsWith("]"));
        }

        @Test
        @DisplayName("Should handle null fileId in toString")
        void testToStringWithNullFileId() throws Exception {
            // Set oplockLevel but leave fileId as null

        this(config, fileId, "");
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.RequestWithFileId#setFileId(byte[])
     */
    @Override
    public void setFileId(final byte[] fileId) {
        this.fileId = fileId;
    }

    /**
     * Constructs a close request with file name only
     *
     * @param config

            .add("field1", "This is string.")
            .add("field2", Arrays.asList("abc", "def", "ghi"))
            .add("field3", map)
            .toString();
    String expected =
        "TestClass{"
            + "field1=This is string., field2=[abc, def, ghi], field3={abc=1, def=2, ghi=3}}";

    assertThat(toTest).isEqualTo(expected);
  }

  public void testToStringLenient_complexFields() {

        try {
            @SuppressWarnings("resource")
            final SmbTreeHandleImpl th = getTreeHandle();
            if (this.fileId != null && th.isConnected()) {
                th.send(new Smb2CloseRequest(th.getConfig(), this.fileId));
            }
        } finally {
            this.fileId = null;
        }
    }

     * @param fileId
     *            the file ID to query information for
     */
    public Smb2QueryInfoRequest(final Configuration config, final byte[] fileId) {
        super(config, SMB2_QUERY_INFO);
        this.outputBufferLength = Math.min(config.getMaximumBufferSize(), config.getListSize()) - Smb2QueryInfoResponse.OVERHEAD & ~0x7;
        this.fileId = fileId;
    }

    /**
     * {@inheritDoc}

     */
    @Override
    public void setFileId(final byte[] fileId) {
        this.fileId = fileId;
    }

    /**
     * Sets the padding for the read request
     *
     * @param padding
     *            the padding to set
     */
    public void setPadding(final byte padding) {
        this.padding = padding;
    }

    /**

     * @param path the file path
     * @param guid the create GUID
     * @param fileId the 16-byte file ID
     * @param type the handle type
     * @param timeout the timeout in milliseconds
     * @param leaseKey the associated lease key (can be null)
     */
    public HandleInfo(String path, HandleGuid guid, byte[] fileId, HandleType type, long timeout, Smb2LeaseKey leaseKey) {
        this.path = path;

    private byte[] fileId;

    /**
     * Constructs an SMB2 flush request
     * @param config the client configuration
     * @param fileId the file identifier to flush
     */
    public Smb2FlushRequest(final Configuration config, final byte[] fileId) {
        super(config, SMB2_FLUSH);
        this.fileId = fileId;
    }

    @Override

        super(config, SMB2_LOCK);
        this.fileId = fileId;
        this.locks = locks;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2Request#createResponse(jcifs.CIFSContext,
     *      jcifs.internal.smb2.ServerMessageBlock2Request)
     */
    @Override