private KeyValueIterator<Bytes, byte[]> all(final boolean forward,
                                                final Set<KeyValueIterator<Bytes, byte[]>> openIterators) {
        validateStoreOpen();
        final ManagedKeyValueIterator<Bytes, byte[]> rocksDbIterator = cfAccessor.all(dbAccessor, forward);
        openIterators.add(rocksDbIterator);
        rocksDbIterator.onClose(() -> openIterators.remove(rocksDbIterator));
        return rocksDbIterator;
    }
match up the existing and created ColumnFamilyHandles with the existing/created ColumnFamilyDescriptors
so that the order of the resultant List matches the order of the allDescriptors argument
streams/src/main/java/org/apache/kafka/streams/state/internals/RocksDBStore.java