Bug 81196 Can't search for References, ... to an ITypeParameter [search]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/FindImplementorsInWorkingSetAction.java
* which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.ui.actions;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.IWorkingSet;
import org.eclipse.ui.PlatformUI;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.ui.search.ElementQuerySpecification;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
import org.eclipse.jdt.internal.ui.search.JavaSearchQuery;
import org.eclipse.jdt.internal.ui.search.JavaSearchScopeFactory;
import org.eclipse.jdt.internal.ui.search.SearchMessages;
import org.eclipse.jdt.internal.ui.search.SearchUtil;
/**
 * Finds implementors of the selected element in working sets.
 * The action is applicable to selections representing a Java interface.
 * 
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 * 
 * @since 2.0
 */
public class FindImplementorsInWorkingSetAction extends FindImplementorsAction {