if (Group.class.equals(key.getTargetType())) {
@SuppressWarnings("unchecked")
InstanceIdentifier<Group> group = (InstanceIdentifier<Group>)key;
if (Group.class.equals(key.getTargetType())) {
@SuppressWarnings("unchecked")
InstanceIdentifier<Group> group = (InstanceIdentifier<Group>)key;