@Override
        public void prepareBatch(final List<KeyValue<Bytes, byte[]>> entries,
                                 final WriteBatchInterface batch) throws RocksDBException {
            for (final KeyValue<Bytes, byte[]> entry : entries) {
                Objects.requireNonNull(entry.key, "key cannot be null");
                addToBatch(entry.key.get(), entry.value, batch);
            }
        }
Deletes keys entries in the range ['from', 'to'], including 'from' and excluding 'to'.
streams/src/main/java/org/apache/kafka/streams/state/internals/RocksDBStore.java