public static Windowed<Bytes> fromStoreBytesKey(final byte[] binaryKey,
                                                    final long windowSize) {
        final Bytes key = Bytes.wrap(extractStoreKeyBytes(binaryKey));
        final Window window = extractStoreWindow(binaryKey, windowSize);
        return new Windowed<>(key, window);
    }
Safely construct a time window of the given size,
taking care of bounding endMs to Long.MAX_VALUE if necessary
streams/src/main/java/org/apache/kafka/streams/state/internals/WindowKeySchema.java