class StreamlineEventImpl extends ForwardingMap<String, Object> implements StreamlineEvent {

    @Override
    public String getId() {
        return id;
    }

    private  StreamlineEventImpl();
    private  StreamlineEventImpl(Map<String, Object> keyValues, String dataSourceId, Map<String, Object> header,
                                String sourceStream, Map<String, Object> auxiliaryFieldsAndValues);

}