*/
    public AuthenticationManager() {
        // Default constructor
    }

    /**
     * Inserts a new user across all authentication chains.
     * @param user The user to insert.
     */
    public void insert(final User user) {
        chains().of(stream -> stream.forEach(c -> c.update(user)));
    }

    /**
     * Changes the password for a user across all authentication chains.

    //                                                                              ======
    public void insert(KeyMatch entity) {
        doInsert(entity, null);
    }

    public void insert(KeyMatch entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(FavoriteLog entity) {
        doInsert(entity, null);
    }

    public void insert(FavoriteLog entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(Group entity) {
        doInsert(entity, null);
    }

    public void insert(Group entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

      } else {
        return withSlope((y2 - y1) / (x2 - x1));
      }
    }

    /**
     * Finish building an instance with the given slope, i.e. the rate of change of {@code y} with
     * respect to {@code x}. The slope must not be {@code NaN}. It may be infinite, in which case
     * the transformation is vertical. (If it is zero, the transformation is horizontal.)
     */

    //                                                                              ======
    public void insert(ClickLog entity) {
        doInsert(entity, null);
    }

    public void insert(ClickLog entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(Role entity) {
        doInsert(entity, null);
    }

    public void insert(Role entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

    //                                                                              ======
    public void insert(FailureUrl entity) {
        doInsert(entity, null);
    }

    public void insert(FailureUrl entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsert(entity, null);
    }

substr(0,1).toUpperCase()+b.substr(1,b.length)}),c.join(" ")},insert:function(a,b,c){var d=(b.attr("data-sanitize-insert-"+c)||"").replace(/\[SPACE\]/g," ");return"left"===c&&0===a.indexOf(d)||"right"===c&&a.substring(a.length-d.length)===d?a:("left"===c?d:"")+a+("right"===c?d:"")},insertRight:function(a,b){return this.insert(a,b,"right")},insertLeft:function(a,b){return this.insert(a,b,"left")},numberFormat:function(a,c){if(0===a.length)return a;if(!("numeral"in b))throw new ReferenceError('Using...

    }

    /**
     * Stores a protected words item (insert or update).
     * @param dictId the dictionary ID
     * @param protwordsItem the item to store
     */
    public void store(final String dictId, final ProtwordsItem protwordsItem) {
        getProtwordsFile(dictId).ifPresent(file -> {
            if (protwordsItem.getId() == 0) {
                file.insert(protwordsItem);
            } else {