package org.opendaylight.mdsal.dom.spi.shard;
import com.google.common.annotations.Beta;
-import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
+import java.util.Optional;
import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteCursor;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;