private StatisticStoreStore getStore() {
        final Persistence persistence = new MemoryPersistence();
        final SecurityContext securityContext = new MockSecurityContext();

        return new StatisticStoreStoreImpl(
                new StoreFactoryImpl(
                        persistence,
                        null,
                        null,
                        securityContext,
                        MockDocRefInfoService::new),
                new StatisticStoreSerialiser(new Serialiser2FactoryImpl()));
    }
Unit test class for <code>XMLTransformer</code>.
stroom-statistics/stroom-statistics-impl-sql/src/test/java/stroom/statistics/impl/sql/filter/TestStatisticsFilter.java