public void init() {
        for (int i = 0, nextLength = streamEventConverters.length; i < nextLength; i++) {
            StreamEventConverter streamEventConverter = streamEventConverters[i];
            if (streamEventConverter == null) {
                streamEventConverters[i] = StreamEventConverterFactory.constructEventConverter(metaStreamEvents[i]);
                break;
            }
        }
    }
{StreamJunction.Receiver} implementation to receive events to be fed into multi
stream processors which consume multiple streams.
modules/siddhi-core/src/main/java/io/siddhi/core/query/input/MultiProcessStreamReceiver.java