Bug 81196 Can't search for References, ... to an ITypeParameter [search]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/FindWriteReferencesInWorkingSetAction.java
import org.eclipse.jdt.internal.ui.search.SearchMessages;
/**
 * Finds field write accesses of the selected element in working sets.
 * The action is applicable to selections representing a Java field.
 * 
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 * 
 * @since 2.0
 */
public class FindWriteReferencesInWorkingSetAction extends FindReferencesInWorkingSetAction {
	/**
	 * Creates a new <code>FindWriteReferencesInWorkingSetAction</code>. The action 
	 * requires that the selection provided by the site's selection provider is of type 
	 * <code>org.eclipse.jface.viewers.IStructuredSelection</code>. The user will be 
	 * prompted to select the working sets.
	 * 
	 * @param site the site providing context information for this action
	 */
	public FindWriteReferencesInWorkingSetAction(IWorkbenchSite site) {
		super(site, SearchMessages.getString("Search.FindWriteReferencesInWorkingSetAction.label"), new Class[] {IField.class, ILocalVariable.class } ); 
		setToolTipText(SearchMessages.getString("Search.FindWriteReferencesInWorkingSetAction.tooltip")); 
		PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.FIND_WRITE_REFERENCES_IN_WORKING_SET_ACTION);
	}
	/**
	 * Creates a new <code>FindWriteReferencesInWorkingSetAction</code>. The action 
	 * requires that the selection provided by the site's selection provider is of type 
	 * <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
	 *