public KeyValueStoreManagerAdapter(
KeyValueStoreManager manager, Map<String, Integer> keyLengths) {
this.manager = manager;
ImmutableMap.Builder<String, Integer> mb = ImmutableMap.builder();
if (keyLengths != null && !keyLengths.isEmpty()) mb.putAll(keyLengths);
this.keyLengths = mb.build();
features = manager.getFeatures().clone();
features.supportsBatchMutation = false;
}
