@Override
    public StreamEvent find(StateEvent matchingEvent, Object storeEvents, StreamEventCloner storeEventCloner) {
        return collectionExecutor.find(matchingEvent, (IndexedEventHolder) storeEvents, storeEventCloner);
    }
Operator which is related to non-indexed In-memory table operations.
modules/siddhi-core/src/main/java/io/siddhi/core/util/collection/operator/IndexOperator.java