Index: java/org/apache/tomcat/TransformingClassLoader.java
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--- java/org/apache/tomcat/TransformingClassLoader.java	(revision 0)
+++ java/org/apache/tomcat/TransformingClassLoader.java	(working copy)
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.tomcat;
+
+import java.lang.instrument.ClassFileTransformer;
+
+/**
+ * Publicly accessible interface that may be implemented by an application
+ * ClassLoader to indicate that it allows modifications of application code.
+ */
+public interface TransformingClassLoader {
+
+    /**
+     * Add a transformer to enhance class functionality.
+     * Transformers will be invoke for new classes defined by this ClassLoader in
+     * the order they were added.
+     *
+     * @param transformer a byte code transformer
+     */
+    void addTransformer(ClassFileTransformer transformer);
+
+    /**
+     * Remove a transformer.
+     *
+     * @param transformer the transformer to remove
+     */
+    void removeTransformer(ClassFileTransformer transformer);
+}

Property changes on: java/org/apache/tomcat/TransformingClassLoader.java
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