export declare class NumberGeneratorService {
    /**
     * Generates a random int based on the lower and upper bounds, inclusive
     */
    static getRandomInt(min: number, max: number): number;
    /**
     * Generates a random string to be used as an identifier.
     * Result will be something like
     * @example
     * generateId(12, 'upperLowerInt'); // 1sKHJh278Ush
     * generateId(12, 'lowerInt'); // 1j2j34g5h2h3
     * @param length - The length of the id
     * @param charSet {'upperLower' | 'upperLowerInt' | 'lowerInt' | 'int'}
     * The character set the id should be created from, defaults to 'upperLowerInt'
     */
    static generateId(length: number, charSet?: 'upperLower' | 'upperLowerInt' | 'lowerInt' | 'int'): string;
}
