Values.ImmunityTimePropertySourceUsed for CAPTCHA and challenge token settings. Determines how long a CAPTCHA or challenge timestamp remains valid after WAF updates it for a successful CAPTCHA or challenge response.
type nonrec t = {immunityTime : TimeWindowSecond.t;The amount of time, in seconds, that a CAPTCHA or challenge timestamp is considered valid by WAF. The default setting is 300. For the Challenge action, the minimum setting is 300.
*)}