+import com.google.common.base.Preconditions;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+
+@Deprecated(since = "9.0.0", forRemoval = true)
+public class DataExistsReply extends VersionedExternalizableMessage {
+ private static final long serialVersionUID = 1L;