import org.opendaylight.yangtools.yang.data.api.YangNetconfError;
import org.opendaylight.yangtools.yang.data.api.YangNetconfErrorAware;
import org.opendaylight.yangtools.yang.data.tree.api.RequiredElementCountException;
+import org.opendaylight.yangtools.yang.data.tree.api.SchemaValidationFailedException;
/**
* Exception thrown when unique constraints would be violated and we cannot throw a