@Override
        public KeyValueBytesStoreSupplier keyValueStore(final DslKeyValueParams params) {
            return Stores.inMemoryKeyValueStore(params.name());
        }
A {@link DslStoreSuppliers} that supplies all stores backed by an in-memory map
streams/src/main/java/org/apache/kafka/streams/state/BuiltInDslStoreSuppliers.java