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/*******************************************************************************
 * Copyright (c) 2000, 2015 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.ui.activities;

/**
 * An instance of this interface can be used by clients to receive notification
 * of changes to one or more instances of <code>IActivity</code>.
 * <p>
 * This interface may be implemented by clients.
 * </p>
 *
 * @since 3.0
 * @see IActivity#addActivityListener(IActivityListener)
 * @see IActivity#removeActivityListener(IActivityListener)
 */
public interface IActivityListener {

    /**
     * Notifies that one or more properties of an instance of <code>IActivity</code>
     * have changed. Specific details are described in the <code>ActivityEvent</code>.
     *
     * @param activityEvent
     *            the activity event. Guaranteed not to be <code>null</code>.
     */
    void activityChanged(ActivityEvent activityEvent);
}

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