@Override
            public void init(final StateStoreContext context, final StateStore root) {
                context.register(
                    root,
                    (key, value) -> { }
                );
            }
Custom {@link VersionedKeyValueStore} implementation solely for the purpose of testing
IQv2 queries. All other methods are unsupported / no-ops.
streams/src/test/java/org/apache/kafka/streams/integration/VersionedKeyValueStoreIntegrationTest.java