*/
package org.opendaylight.controller.md.sal.dom.store.impl.tree.data;
-import java.util.concurrent.locks.ReadWriteLock;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
-
-import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataValidationFailedException;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataTree;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataTreeCandidate;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataTreeModification;
+import org.opendaylight.controller.md.sal.dom.store.impl.tree.DataValidationFailedException;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.ModificationType;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.StoreUtils;
import org.opendaylight.controller.md.sal.dom.store.impl.tree.spi.TreeNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
/**
* Read-only snapshot of the data tree.