}

    @Override
    public Set<K> keySet() {
      return keyIndex.keySet();
    }

    K getKey(int index) {
      return keyIndex.keySet().asList().get(index);
    }

    abstract String getKeyRole();

    @ParametricNullness
    abstract V getValue(int index);

    @ParametricNullness
    abstract V setValue(int index, @ParametricNullness V newValue);

    @Override

        doAnswer(inv -> {
            // Simulate resolve call by setting names/types and thus enabling cache population
            Object[] args = inv.getArguments();
            String server = (String) args[0];
            CIFSContext c = (CIFSContext) args[1];
            assertNull(server); // We will pass null; method should forward it unchanged
            assertSame(ctx, c);

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this access token.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this access token was last updated.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this bad word entry.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this bad word entry was last updated.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this boost document configuration.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this boost document configuration was last updated.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this file authentication configuration.
     * Used for audit trail purposes to track who made changes.
     * Maximum length is 255 characters.
     */
    @Size(max = 255)
    public String updatedBy;

    /**

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this file configuration.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this file configuration was last updated.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this key match configuration.
     * Used for audit trail purposes to track who made changes.
     * Maximum length is 255 characters.
     */
    @Size(max = 255)
    public String updatedBy;

    /**
     * The timestamp when this key match configuration was last updated.

     * @return A new {@link StopwordsFile} associated with the dictionary manager.
     */
    @Override
    protected DictionaryFile<? extends DictionaryItem> newDictionaryFile(final String id, final String path, final Date timestamp) {
        return new StopwordsFile(id, path, timestamp).manager(dictionaryManager);
    }

     */
    protected static final String OPTIONS = "OPTIONS";

    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
            throws IOException, ServletException {
        final HttpServletRequest httpRequest = (HttpServletRequest) request;
        final String origin = httpRequest.getHeader("Origin");