/**
 * Returns a random number within the specified range. If only one argument is provided, the number will be between 0 and the given number.
 *
 * @since 1.0.0
 *
 * @param {number} [lower=0] - The lower bound of the range (inclusive if `upper` is defined).
 * @param {number|boolean} [upper=1] - The upper bound of the range (exclusive if defined), or a boolean flag indicating whether to return a floating-point number.
 *
 * @returns {number} - A random number within the specified range.
 *
 * @example
 *
 * random(10);
 * // => a random integer between 0 and 9
 *
 * random(1, 11);
 * // => a random integer between 1 and 10
 *
 * random(true);
 * // => a random floating-point number between 0 and 1
 *
 * random(3, 2);
 * // => a random floating-point number between 2 and 3
 */
declare const random: (lower?: number, upper?: number | boolean | undefined) => number;
export default random;