default Bytes toStoreBinaryKeyPrefix(final Bytes key, long timestamp) {
            throw new UnsupportedOperationException();
        }
Given a record key and a time, construct a Segmented key to search when performing
prefixed queries.

@param key
@param timestamp
@return  The key that represents the prefixed Segmented key in bytes.
streams/src/main/java/org/apache/kafka/streams/state/internals/SegmentedBytesStore.java