public void setImmunityTime(Long immunityTime) {
        this.immunityTime = immunityTime;
    }
<p>
The amount of time, in seconds, that a CAPTCHA or challenge timestamp is considered valid by WAF.
</p>

@param immunityTime
       The amount of time, in seconds, that a CAPTCHA or challenge timestamp is considered valid by WAF.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsWafv2WebAclCaptchaConfigImmunityTimePropertyDetails.java