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/**
 * Original work: copyright 1999-2004 The Apache Software Foundation
 * (http://www.apache.org/)
 *
 * This project is based on the work 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.
 *
 * Modified work: copyright 2013-2022 Valery Silaev (http://vsilaev.com)
 *
 * Licensed 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.commons.javaflow.spi;

import java.util.Collection;

/**
 * Byte-code transformer that enhances the class files for javaflow.
 *
 * 
 * When Continuation.suspend is called, all the methods in the stack frame needs
 * to be enhanced.
 *
 * @author tcurdt
 */
public interface ResourceTransformer {
    byte[] transform(byte[] original);
    byte[] transform(byte[] original, String retransformClass);
    byte[] transform(byte[] original, String... retransformClasses);
    byte[] transform(byte[] original, Collection retransformClasses);
    
    void release();
}