import java.util.Collections;
import java.util.List;
import org.junit.Test;
-import org.opendaylight.mdsal.binding.spec.util.FooChild;
-import org.opendaylight.mdsal.binding.spec.util.GroupingFoo;
import org.opendaylight.yangtools.yang.binding.Augmentation;
import org.opendaylight.yangtools.yang.binding.BaseIdentity;
import org.opendaylight.yangtools.yang.binding.ChildOf;