*/
package org.opendaylight.mdsal.eos.binding.dom.adapter;
-import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
+import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
import org.opendaylight.mdsal.eos.binding.api.Entity;