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[aspectj-users] Target type wildcard and variable binding

I am trying to write a pointcut for a method call on a target of java.awt.Component and all subclasses of Component. In the advice I need to interrogate the Component. However, I get warnings that the target type is not the correct type. Is it possible to accomplish this?
Troy T. Collinsworth
     [iajc]     see also: C:\view\...\AbstractMediator.java:193
     [iajc] C:\view\...\AbstractMediator.java:297 [warning] does not match because declaring type is javax.swing.JComponent, if match desired use target(javax.swing.JList) [Xlint:unmatchedSuperTypeInCall]
public abstract class AbstractMediator ...
 public void register( String name, JComponent comp ) {
  comp.setName( name );    //line 193
    before(Component comp) : (call (* javax.swing.JList.set*(..))) && target(comp) {

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