public Meta createSampleBlankProcessedFile(final String feed, final Meta sourceMeta) {
        final MetaProperties metaProperties = MetaProperties.builder()
                .feedName(feed)
                .typeName(StreamTypeNames.EVENTS)
                .parent(sourceMeta)
                .build();

        final String data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
                + "<Events xpath-default-namespace=\"records:2\" "
                + "xmlns:stroom=\"stroom\" "
                + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
                + "xmlns=\"event-logging:3\" "
                + "xsi:schemaLocation=\"event-logging:3 file://event-logging-v3.0.0.xsd\" "
                + "Version=\"3.0.0\"/>";

        try (final Target target = streamStore.openTarget(metaProperties)) {
            TargetUtil.write(target, data);
            return target.getMeta();
        } catch (final IOException e) {
            throw new UncheckedIOException(e);
        }
    }
@param feed related
@return a basic raw file
stroom-app/src/test/java/stroom/test/CommonTestScenarioCreator.java