--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.impl.store.access.btree.index.D_B2IController\r
+\r
+ Licensed to the Apache Software Foundation (ASF) under one or more\r
+ contributor license agreements. See the NOTICE file distributed with\r
+ this work for additional information regarding copyright ownership.\r
+ The ASF licenses this file to you under the Apache License, Version 2.0\r
+ (the "License"); you may not use this file except in compliance with\r
+ the License. You may obtain a copy of the License at\r
+\r
+ http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+ Unless required by applicable law or agreed to in writing, software\r
+ distributed under the License is distributed on an "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ See the License for the specific language governing permissions and\r
+ limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.impl.store.access.btree.index;\r
+\r
+import org.apache.derby.impl.store.access.btree.D_BTreeController;\r
+\r
+/**\r
+\r
+Debugging class used to print debug information about a B2I. \r
+\r
+Code here can be used in SANE development builds but the class is not necessary\r
+for a release so does not add footprint to a customer release.\r
+See the DiagnosticableGeneric interface for more information.\r
+\r
+Note that all the real work currently is inherited from \r
+it's parent, but this class needs to exist as the diagnostic interface\r
+requires a class names D_XXX to provide information about XXX.\r
+\r
+**/\r
+\r
+public class D_B2IController extends D_BTreeController\r
+{\r
+}\r