@Override
    public void configure(final Map<String, ?> configs, final boolean isKey) {
        leftSerializer.configure(configs, isKey);
        rightSerializer.configure(configs, isKey);
    }
Serializes a {@link LeftOrRightValue}. The serialized bytes starts with a byte that references
to whether the value is V1 or V2.
streams/src/main/java/org/apache/kafka/streams/state/internals/LeftOrRightValueSerializer.java