+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
package org.opendaylight.yangtools.yang.model.api;
-import com.google.common.base.Optional;
+import java.util.Optional;
/**
* Schema Node which may be derived from other schema node
* grouping where it was defined.
*
* @return original node definition from grouping if this node is added by
- * uses, null otherwise
+ * uses, Optional.absent otherwise
*/
Optional<? extends SchemaNode> getOriginal();