private void convertEvent(Event event, StreamEvent newEvent, Exception e) {
        convertData(event.getTimestamp(), event.getData(),
                event.isExpired() ? StreamEvent.Type.EXPIRED : StreamEvent.Type.CURRENT,
                newEvent, e);
    }
A StreamEvent holder that can also convert other events into StreamEvents
modules/siddhi-core/src/main/java/io/siddhi/core/event/stream/converter/FaultStreamEventConverter.java