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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/*******************************************************************************
 * Copyright (c) Contributors to the Eclipse Foundation
 *
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0 
 *******************************************************************************/

package org.osgi.annotation.bundle;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Repeatable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Define a manifest header for a bundle.
 * 
 * For example:
 * 
 * 
 * @Header(name=Constants.BUNDLE_CATEGORY, value="osgi")
 * 
 * 
 * This annotation is not retained at runtime. It is for use by tools to
 * generate bundle manifests.
 * 
 * @author $Id: 2dde5d7c3ed43968e3354a0b12fc0653eed71efc $
 */
@Documented
@Retention(RetentionPolicy.CLASS)
@Target({
		ElementType.TYPE, ElementType.PACKAGE
})
@Repeatable(Headers.class)
public @interface Header {

	/**
	 * The name of this header.
	 */
	String name();

	/**
	 * The value of this header.
	 */
	String value();
}