/** {@inheritDoc} */
@Override
public <V> V putMetaIfAbsent(String name, Callable<V> c) {
return tx.putMetaIfAbsent(name, c);
}
/** {@inheritDoc} */
@Override
public <V> V putMetaIfAbsent(String name, V val) {
return tx.putMetaIfAbsent(name, val);
}