public java.util.List<RuleGroupTypePair> getRuleGroupTypePairs() {
        if (ruleGroupTypePairs == null) {
            ruleGroupTypePairs = new com.amazonaws.internal.SdkInternalList<RuleGroupTypePair>();
        }
        return ruleGroupTypePairs;
    }
<p>
The rule group type.
</p>

@return The rule group type.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/AdditionalDetail.java