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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) 2003, 2012 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.osgi.service.resolver;

import java.util.Map;

/**
 * This class represents a specific version of an exported package in the system.
 * 
 * This interface is not intended to be implemented by clients.  The
 * {@link StateObjectFactory} should be used to construct instances.
 * 
 * @since 3.1
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface ExportPackageDescription extends BaseDescription {

	/**
	 * Returns true if the export package is a root package; false otherwise.
	 * A ExportPackageDescription is not a root package the exporting bundle
	 * is re-exporting the package using the Reexport-Package header.
	 * @return true if the export package is a root package; false otherwise
	 * @deprecated all export package descriptions are roots.  The Reexport-Package header
	 * never became API.
	 */
	public boolean isRoot();

	/**
	 * Returns the arbitrary attributes for this package.
	 * @return the arbitrary attributes for this package
	 */
	public Map getAttributes();

	/**
	 * Returns the directives for this package.
	 * @return the directives for this package
	 */
	public Map getDirectives();

	/**
	 * Returns the specified directive for this package.
	 * @param key the directive to fetch
	 * @return the specified directive for this package
	 */
	public Object getDirective(String key);

	/**
	 * Returns the exporter of this package.
	 * @return the exporter of this package.
	 */
	public BundleDescription getExporter();
}