@Override
            public <S extends StateStore> S getStateStore(final String name) {
                return context.getStateStore(name);
            }
Demonstrate the use of {@link MockProcessorContext} for testing the {@link Transformer} in the {@link WordCountTransformerDemo}.
streams/examples/src/test/java/org/apache/kafka/streams/examples/wordcount/WordCountTransformerTest.java