class KTableImpl extends AbstractStream<K, V> implements KTable<K, V> {

    @Override
    public <VR> KTable<K, VR> mapValues(final ValueMapper<? super V, ? extends VR> mapper) {
        Objects.requireNonNull(mapper, "mapper can't be null");
        return doMapValues(withKey(mapper), NamedInternal.empty(), null);
    }

    public  KTableImpl(final String name,
                      final Serde<K> keySerde,
                      final Serde<V> valueSerde,
                      final Set<String> subTopologySourceNodes,
                      final String queryableStoreName,
                      final ProcessorSupplier<?, ?> processorSupplier,
                      final StreamsGraphNode streamsGraphNode,
                      final InternalStreamsBuilder builder);

}