/**
 * Returns a cryptographically secure random integer between [min,max].
 * @param max Returned value will be <= max
 * @param min Returned value will be >= min
 *
 * @throws {@link RangeError} if max <= min
 *
 * @returns A cryptographically secure random bigint between [min,max]
 */
export declare function randBetween(max: bigint, min?: bigint): bigint;
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