public AwsNetworkFirewallRuleGroupDetails withRuleGroup(RuleGroupDetails ruleGroup) {
        setRuleGroup(ruleGroup);
        return this;
    }
<p>
Details about the rule group.
</p>

@param ruleGroup
       Details about the rule group.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsNetworkFirewallRuleGroupDetails.java