export declare class C8oCafUtils {
    /**
     *
     * Creates a new Date Object, useful when called from a template as new operator is not allowed
     *
     * @param year
     * @param month
     * @param day
     * @param hours
     * @param minutes
     * @param seconds
     * @param milliseconds
     * @returns {Date}
     * @constructor
     */
    static Date(year: any, month: any, day: any, hours: any, minutes: any, seconds: any, milliseconds: any): Date;
    /**
     * Merge two objects
     * @param {Object} firstObj
     * @param secondObj
     * @returns {Object}
     */
    static merge(firstObj: Object, secondObj: any): Object;
    /**
     * Concat two words
     * @param {string} word
     * @returns {any}
     */
    static wordPlusOne(word: string): any;
    /**
     * Javascript method charCodeAt 0
     * @param {String} char: the char to be changed
     * @returns {String}
     */
    static getNextLetter(char: String): String;
    /**
     * Helps to safe eval the value of an path into an object or an array
     * @param object: the object to eval
     * @param path: the path to search
     * @returns {any}: the value fetched or undefined
     */
    static resolveArray(object: any, path?: string): any;
}
export declare class Semaphore {
    private max;
    private counter;
    private waiting;
    constructor(max: number);
    take(): void;
    acquire(): Promise<unknown>;
    release(arg?: any): void;
    purge(): any;
}