fullstop-aws-support/fullstop-aws-cloudtrail-support/src/main/java/org/zalando/stups/fullstop/events/CloudTrailEventSupport.java
public static List<String> getInstanceIds(final CloudTrailEvent event) {

        final CloudTrailEventData eventData = getEventData(event);

        final String responseElements = eventData.getResponseElements();
        if (isNullOrEmpty(responseElements)) {
            return newArrayList();
        }

        return read(responseElements, INSTANCE_ID_JSON_PATH);
    }
public static List<String> getInstanceIds(final CloudTrailEvent event) {

        final CloudTrailEventData eventData = getEventData(event);

        final String responseElements = eventData.getResponseElements();
        if (isNullOrEmpty(responseElements)) {
            return newArrayList();
        }

        return read(responseElements, INSTANCE_ID_JSON_PATH);
    }
Extracts list of instanceIds from {@link CloudTrailEvent}s 'responseElements'.