public void setFailedSet(java.util.Collection<EventDetailsErrorItem> failedSet) {
        if (failedSet == null) {
            this.failedSet = null;
            return;
        }

        this.failedSet = new java.util.ArrayList<EventDetailsErrorItem>(failedSet);
    }
<p>
Error messages for any events that could not be retrieved.
</p>

@param failedSet
       Error messages for any events that could not be retrieved.
aws-java-sdk-health/src/main/java/com/amazonaws/services/health/model/DescribeEventDetailsResult.java