static byte[] from(final byte[] rawValue, final long timestamp) {
            if (rawValue == null) {
                throw new IllegalStateException("Cannot store tombstone in latest value");
            }

            return ByteBuffer.allocate(TIMESTAMP_SIZE + rawValue.length)
                    .putLong(timestamp)
                    .put(rawValue)
                    .array();
        }
@return the formatted bytes containing the provided {@code rawValue} and
{@code timestamp}, ready to be stored into the latest value store
streams/src/main/java/org/apache/kafka/streams/state/internals/RocksDBVersionedStore.java