*/
package org.opendaylight.yangtools.yang.data.api.schema.tree;
+import com.google.common.base.Optional;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import com.google.common.base.Optional;
-
/**
* Read-only snapshot of a {@link DataTree}. The snapshot is stable and isolated,
* e.g. data tree changes occurring after the snapshot has been taken are not