* If {@code element} is not {@code null}, child configuration element with the specified name will
     * be unmarshalled.
     *
     * @param configuration The configuration to unmarshal, may be {@code null}.
     * @param element Configuration element name to unmarshal or {@code null} to unmarshal entire configuration.
     * @return This request for chaining, never {@code null}.
     */

     * transformation has occurred the original artifact is returned.
     *
     * @param artifact           Artifact to be transformed.
     * @param remoteRepositories the repositories to check
     * @param localRepository    the local repository
     */
    void transformForResolve(

     *
     * @param repositories The original repositories, may be {@code null}.
     * @return The effective repositories or {@code null} if the input was {@code null}.
     */
    List<ArtifactRepository> getEffectiveRepositories(List<ArtifactRepository> repositories);

    /**
     * Determines the mirror for the specified repository.
     *

     * Creates a simple circuit breaker with default settings
     *
     * @param name the circuit breaker name
     */
    public SimpleCircuitBreaker(String name) {
        this(name, 5, 3, 30000L); // 5 failures, 3 successes, 30 second timeout
    }

    /**
     * Creates a simple circuit breaker
     *
     * @param name the circuit breaker name
     * @param failureThreshold number of consecutive failures to open circuit

    protected int index;

    /**
     * Returns an {@link Iterable} that wraps a {@link MultiIterator} for use in a for-each statement.
     *
     * @param <E> the element type
     * @param iterables the array of {@link Iterable} (must not be {@literal null})
     * @return an {@link Iterable} wrapping a {@link MultiIterator}
     */
    public static <E> Iterable<E> iterable(final Iterable<E>... iterables) {

         *
         * @param lang the language to use for normalization
         */
        protected LangAnalyzerNormalizer(final String lang) {
            this.lang = lang;
        }

        /**
         * Normalizes the given text based on the specified field.
         *
         * @param text  the text to normalize
         * @param field the field to use for normalization

     *
     * @param content
     */
    void debug(CharSequence content);

    /**
     * Send a message (and accompanying exception) to the user in the <b>debug</b> error level.<br>
     * The error's stacktrace will be output when this error level is enabled.
     *
     * @param content
     * @param error
     */
    void debug(CharSequence content, Throwable error);

        /**
         * Executes the filter logic on the given query.
         *
         * @param context the query context containing search parameters and state
         * @param query the Lucene query to be processed
         * @param boost the boost factor to apply to the query
         * @param chain the next filter chain to execute after this filter
         * @return the processed OpenSearch QueryBuilder
         */

     *
     * @param sort the sort value to check
     * @return true if the sort value is valid for facets ("count" or "index"), false otherwise
     */
    public boolean isFacetSortValue(final String sort) {
        return "count".equals(sort) || "index".equals(sort);
    }

    /**
     * Sets the fields that are allowed in API responses.
     *

    private static final Base64.Encoder encoder = Base64.getEncoder();

    /**
     * Constructor.
     * @param settings Suggest settings
     * @param client OpenSearch client
     * @param settingsIndexName Settings index name
     * @param settingsId Settings ID
     */