// Attempting to create a disconnected producer -- all subtrees have to be unclaimed
final DOMDataTreeProducer producer = findProducer(s);
Preconditions.checkArgument(producer == null, "Subtree %s is attached to producer %s", s, producer);
// Attempting to create a disconnected producer -- all subtrees have to be unclaimed
final DOMDataTreeProducer producer = findProducer(s);
Preconditions.checkArgument(producer == null, "Subtree %s is attached to producer %s", s, producer);