/** *
A collection of predefined rules that you can add to a web ACL.
Rule groups are subject to the following limits:
Three rule groups per account. You can request an increase to this limit by contacting customer support.
One rule group per web ACL.
Ten rules per rule group.
A unique identifier for a RuleGroup. You use RuleGroupId to get more information about a RuleGroup (see GetRuleGroup), update a RuleGroup (see UpdateRuleGroup), insert a RuleGroup into a WebACL or delete a one from a WebACL (see UpdateWebACL), or delete a RuleGroup from AWS WAF (see DeleteRuleGroup).
RuleGroupId is returned by CreateRuleGroup and by ListRuleGroups.
The friendly name or description for the RuleGroup. You can't change the name of a RuleGroup after you create it.
A friendly name or description for the metrics for this RuleGroup. The name can contain only alphanumeric characters (A-Z, a-z, 0-9), with maximum length 128 and minimum length one. It can't contain whitespace or metric names reserved for AWS WAF, including "All" and "Default_Action." You can't change the name of the metric after you create the RuleGroup.