private void advance() throws IOException {
    close();
    if (it.hasNext()) {
      in = it.next().openStream();
    }
  }

  @Override
  public int available() throws IOException {
    if (in == null) {
      return 0;
    }
    return in.available();
  }

  @Override
  public boolean markSupported() {
    return false;
  }

  @Override
  public int read() throws IOException {

    }

    /**
     * Get number of available send regions in pool
     *
     * @return available send regions
     */
    public int getAvailableSendRegions() {
        return availableSendRegions.size();
    }

    /**
     * Get number of available receive regions in pool
     *
     * @return available receive regions
     */
    public int getAvailableReceiveRegions() {

    /**
     * Determines the mirror for the specified repository.
     *
     * @param repository The repository to determine the mirror for, must not be {@code null}.
     * @param mirrors The available mirrors, may be {@code null}.
     * @return The mirror specification for the repository or {@code null} if no mirror matched.
     */
    Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors);

    /**

/**
 * Represents the FILE_FS_FULL_SIZE_INFORMATION structure used to query comprehensive file system size information.
 * This structure provides complete allocation details including total allocation units, caller-available free units,
 * actual free allocation units, sectors per allocation unit, and bytes per sector.
 */
public class FileFsFullSizeInformation implements AllocInfo, FileSystemInformation, Decodable {

                "The POM for {} is invalid, transitive dependencies (if any) will not be available: {}",
                event.getArtifact(),
                event.getException().getMessage());
    }

    @Override
    public void artifactDescriptorMissing(RepositoryEvent event) {
        logger.warn("The POM for {} is missing, no dependency information available", event.getArtifact());
    }

  [[1]] This is obvious, but the network/internet is unavailable.

  [[2]] Localhost (127.0.0.1) may also be unavailable if the whole
        network stack is offline.

  [[3]] "Remote" repositories referenced using the file:// protocol may
        be available. However, if that file:// url references a
        file-share, as in the case of an NFS or SMB mount, that will
        be unavailable.

        this.allRecordCount = allRecordCount;
    }

    /**
     * Gets the total number of pages available.
     *
     * @return the total page count
     */
    public int getAllPageCount() {
        return allPageCount;
    }

    /**
     * Sets the total number of pages available.
     *
     * @param allPageCount the total page count to set
     */

    public String crawler;

    /**
     * Whether logging is enabled for the scheduled job.
     */
    public String jobLogging;

    /**
     * Whether the scheduled job is available.
     */
    public String available;

    /**
     * Sort order of the scheduled job.
     */
    public String sortOrder;

    /**
     * The user who created the scheduled job.
     */

    @Test
    void testChannelSelection() {
        try {
            channelManager.selectChannel(mockMessage);
            fail("Should throw exception when no channels available");
        } catch (Exception e) {
            // Expected - no channels available
            assertTrue(e instanceof ChannelLoadBalancer.NoAvailableChannelException);
        }
    }

    @Test

            // Given - different values for caller available and actual free units
            ByteBuffer buffer = ByteBuffer.allocate(32);
            buffer.order(ByteOrder.LITTLE_ENDIAN);
            buffer.putLong(1000L); // Total allocation units
            buffer.putLong(500L); // Caller available allocation units
            buffer.putLong(600L); // Actual free allocation units (should be skipped)