export declare class Random {
    static sample(array: Array<any>, count: number): any[];
    /**
     * random integer in the range
     * @param start
     * @param stop
     */
    static randint(start: number, stop: number): number;
    /**
     * output string of selected length
     * > default set is `a-zA-Z0-9`
     * @param length the string length
     * @param set string collection
     */
    static randstr(length: number, chars?: string): string;
    static randUA(device: string): string;
}