/**
 * Generate a random integer
 *
 * @param maximum - The maximum value (inclusive)
 * @param minimum - The minimum value (inclusive)
 * @returns A random integer
 */
export declare const randomInteger: (maximum: number, minimum?: number) => any;
/**
 * Generate a random letter
 *
 * @param random - The random number generator
 * @returns A random letter
 */
export declare const randomLetter: (random?: () => number) => any;