protected ChannelUtil() {
    }

    /**
     * Returns a {@link ByteBuffer} that maps the file channel to memory.
     *
     * @param channel
     *            The file channel. Must not be {@literal null}.
     * @param mode
     *            The mode. Must not be {@literal null}.
     * @return A {@link ByteBuffer} that maps the file channel to memory.
     */

                if ("file".equals(resource.getProtocol())) {
                    final File directory = new File(resource.getFile());
                    if (directory.exists() && directory.isDirectory()) {
                        final File[] files = directory.listFiles(File::isDirectory);
                        if (files != null) {
                            for (final File file : files) {

        getStopwordsFile(dictId).ifPresent(file -> {
            if (stopwordsItem.getId() == 0) {
                file.insert(stopwordsItem);
            } else {
                file.update(stopwordsItem);
            }
        });
    }

    /**
     * Deletes a stopword item from the specified dictionary.
     *
     * @param dictId        The ID of the dictionary.

        return getSynonymFile(dictId).map(file -> file.get(id).get());
    }

    /**
     * Stores a synonym item in the specified dictionary.
     *
     * @param dictId      The ID of the dictionary.
     * @param synonymItem The synonym item to store.
     */
    public void store(final String dictId, final SynonymItem synonymItem) {
        getSynonymFile(dictId).ifPresent(file -> {
            if (synonymItem.getId() == 0) {

                // Copy tempFile to the actual file
                try {
                    java.nio.file.Files.copy(tempFile.toPath(), new File(file.getPath()).toPath(),
                            java.nio.file.StandardCopyOption.REPLACE_EXISTING);
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
        };

        }
    }

    @Test
    public void testFileBasedCacheCloseNonExistentFile() {
        tempFile = new File(Curl.tmpDir, "non-existent-file.tmp");
        assertFalse(tempFile.exists());

        ContentCache cache = new ContentCache(tempFile);

        // Should throw IOException when file doesn't exist
        try {
            cache.close();

        this(file, 0, SmbConstants.O_RDONLY, SmbConstants.DEFAULT_SHARING, false);
    }

    SmbFileInputStream(final SmbFile file, final int openFlags, final int access, final int sharing, final boolean unshared)
            throws SmbException {
        this.file = file;
        this.unsharedFile = unshared;
        this.openFlags = openFlags;
        this.access = access;

    }

    @Test
    @DisplayName("Should handle empty file ID")
    void testSetEmptyFileId() {
        // Given
        RequestWithFileId request = new Smb2CloseRequest(mockConfig, testFileId);

        // When
        request.setFileId(emptyFileId);

        // Then - should accept empty file ID

/**
 * Represents a file or directory entry in SMB1 protocol.
 */
public interface FileEntry {

    /**
     * Gets the name of the file or directory.
     *
     * @return the file or directory name
     */
    String getName();

    /**
     * Gets the type of the entry.
     *
     * @return the entry type
     */
    int getType();

    /**
     * Gets the file attributes.
     *

/**
 * Filter interface for SMB file filtering.
 *
 * This interface allows selective filtering of files
 * when listing directory contents in SMB shares.
 */
public interface SmbFileFilter {

    /**
     * Tests whether the specified SMB file should be included in a file list.
     *
     * @param file the SMB file to test for inclusion
     * @return whether the given file should be included