public final void onEvent(Object eventObject, String[] transportProperties) {
        Object[] transportPropertyObjects = convertToObjectArray(transportProperties);
        onEvent(eventObject, transportPropertyObjects, null);
    }
Support classes that the source-mapper can consume for mapping processing (used for validation purposes)

@return Supported event classes that mapper can process.
modules/siddhi-core/src/main/java/io/siddhi/core/stream/input/source/SourceMapper.java