import sortBy from 'lodash/sortBy';
import { Node, NodeList } from '@linkurious/ogma';
import { ICurrencyOptions, LkNodeData, LkProperty } from '@linkurious/rest-client';
export { sortBy };
export declare const CAPTION_HEURISTIC: string[];
export declare class Tools {
    static isEqual(v1: unknown, v2: unknown): boolean;
    /**
     * Check that a value is defined : not null and not undefined
     *
     * @param {any} value
     * @return {boolean}
     */
    static isDefined<T>(value: T): value is NonNullable<T>;
    /**
     * Truncate a text
     */
    static truncate(value: unknown, position: 'middle' | 'end', limit?: number): string;
    /**
     * Return a value from a nested object depending on a keyPath
     */
    static getIn(ref: any, path: Array<string | number>): any;
    /**
     * Return a clone of an object
     */
    static clone(o: any): any;
    /**
     * Get the amount of hidden neighbors from a list of nodes
     *
     * @param nodes
     */
    static getHiddenNeighbors(nodes: NodeList<LkNodeData>): number;
    /**
     * Return the visible degree of a node without self connection (self edge)
     *
     * @param {Node} node
     * @return {number}
     */
    static getDegreeWithoutSelfConnection(node: Node<LkNodeData>): number;
    /**
     * Return a formatted version of a number
     */
    static formatNumber(number: number): string;
    /**
     * Return true if a string is not composed only by invisible char
     *
     * @param {string} value
     * @return {boolean}
     */
    static isStringFilled(value: string): boolean;
    static getValueFromLkProperty(property: LkProperty): null | string | number | boolean;
    /**
     * Return a formatted date as a string
     */
    static formatDate(isoString: string, isDatetime?: boolean, timezone?: number): string | null;
    /**
     * From "+03:00" return the offset in milliseconds
     * @param timezone
     */
    static timezoneToMilliseconds(timezone: string | undefined): number;
    static sanitizeFormattedNumber(str: string): number;
    /**
     * Return true if `n` is (or can be parsed as) a float, but is NOT an integer
     *
     * @param {any} n
     * @return {number} a number (NaN is `n` cannot be parsed as a number)
     */
    static parseNumber(n: unknown): number;
    /**
     * Return an Array without duplicated keys
     *
     * @param {Array<any>} arr
     * @param {string} key
     * @return {Array<any>}
     */
    static uniqBy(arr: Array<any>, key?: string): Array<any>;
    /**
     * Return 'image' or 'url' depending on the given string
     *
     * @param {string} value
     * @return {"image" | "url"}
     */
    static getType(value: string): 'image' | 'url' | 'imageUrl' | undefined;
    /**
     * Return true if the given string is an url that match the schema handled by LKE
     *
     * @param {string}  value
     * @return {boolean}
     */
    private static isUrl;
    /**
     * Return true if the given string is an image extension
     *
     * @param {string}  value
     * @return {boolean}
     */
    private static isImage;
    /**
     * Return true if the given string is an url with an image extension
     *
     * @param {string}  value
     * @return {boolean}
     */
    private static isURLImage;
    /**
     * Return true if a value is not undefined, not null and not an empty string
     */
    static valueExists(value: LkProperty): boolean;
    /**
     * Return true if `n` is (or can be parsed as) a number
     */
    static isNumber(n: unknown): boolean;
    /**
     * return the correct property value
     */
    static getPropertyValue(property: LkProperty, invalidAsString?: boolean, formattedDates?: boolean): undefined | null | string | number | boolean | Array<string>;
    /**
     * Parse the given value and return a float number or NaN
     *
     * @param {any} n
     * @return {number}
     */
    static parseFloat(n: unknown): number;
    /**
     * Format a currency value to string.
     *
     * eg: 4123 -> 4.123,00 $
     */
    static formatCurrencyValue(value: number, options: ICurrencyOptions): string;
    private static formatNumberToCurrency;
}