2 * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.model.api;
10 import com.google.common.annotations.Beta;
11 import java.util.Optional;
14 * Common interface for list-like nodes, which can optionally have constraints on the number of direct children.
16 * @author Robert Varga
19 public interface ElementCountConstraintAware {
21 * Return the constraint on the number of child nodes.
23 * @return the constraint on the number of child nodes, if applicable.
25 Optional<ElementCountConstraint> getElementCountConstraint();