@Experimental
@Immutable
public interface SettingsBuilderRequest extends Request<ProtoSession> {

    /**
     * Gets the installation settings source.
     *
     * @return the installation settings source or {@code null} if none
     */
    @Nonnull
    Optional<Source> getInstallationSettingsSource();

    /**
     * Gets the project settings source.
     *
     * @return the project settings source or {@code null} if none
     */

     */
    public AvPair(final int type, final byte[] raw) {
        this.type = type;
        this.raw = raw;
    }

    /**
     * Gets the AV pair type
     * @return the type
     */
    public final int getType() {
        return this.type;
    }

    /**
     * Gets the raw data bytes
     * @return the raw
     */
    public final byte[] getRaw() {
        return this.raw;
    }

    String getName();

    /**
     * Gets the full URL of the artifact.
     *
     * @return The full URL of the artifact, never {@code null}.
     */
    String getUrl();

    /**
     * The size of the artifact in bytes.
     *
     * @return The of the artifact in bytes or a negative value if unknown.
     */
    long getContentLength();

    /**

     */
    WitnessEventType(int value) {
        this.value = value;
    }

    /**
     * Gets the numeric event type value.
     *
     * @return the event type value
     */
    public int getValue() {
        return value;
    }

    /**
     * Gets a WitnessEventType from its numeric value.
     *
     * @param value the numeric value
     * @return the corresponding WitnessEventType

     */
    Metadata getMetadata();

    /**
     * Set the metadata contents.
     *
     * @param metadata the metadata
     */
    void setMetadata(Metadata metadata);

    /**
     * Whether this represents a snapshot.
     *
     * @return if it is a snapshot
     */
    boolean isSnapshot();

    /**

    //                                                                      ==============
    /**
     * Gets the user bean type class.
     *
     * @return the FessUserBean class
     */
    @Override
    protected Class<FessUserBean> getUserBeanType() {
        return FessUserBean.class;
    }

    /**
     * Gets the login action type class.
     *
     * @return the LoginAction class
     */
    @Override

        return SmbConstants.TYPE_FILESYSTEM;
    }

    /**
     * @return the fileIndex
     */
    @Override
    public int getFileIndex() {
        return this.fileIndex;
    }

    /**
     * Gets the filename.
     *
     * @return the filename
     */
    public String getFilename() {
        return this.filename;
    }

    @Override
    public int getAttributes() {

     */
    Map<String, String> parentEncodingMap = Collections.synchronizedMap(new LruHashMap<>(1000));

    /**
     * Gets the Fess configuration instance.
     *
     * @return the Fess configuration object
     */
    FessConfig getFessConfig();

    /**
     * Gets the logger instance for this transformer.
     *
     * @return the logger instance
     */
    Logger getLogger();

    /**

        return path.toString();
    }

    /**
     * Gets the file of this source.
     *
     * @return The underlying file, never {@code null}.
     * @deprecated Use {@link #getPath()} instead.
     */
    @Deprecated
    public File getFile() {
        return path.toFile();
    }

    /**
     * Gets the file of this source.
     *
     * @return The underlying file, never {@code null}.

     */
    @Override
    public void clear() {
        super.clear();
        contentSize = 0;
        processingTime = 0;
    }

    /**
     * Gets the total content size of all documents in this list.
     *
     * @return the total content size in bytes
     */
    public long getContentSize() {
        return contentSize;
    }

    /**