// CaseThree - ambiguous
import java.lang.annotation.*;

public class CaseThree {

  public static void main(String []argv) {
   
    CaseThree o = new CaseThree();
    o.a();
    o.b();
    o.c();
    o.d();
    o.e();
  }

                     public void a() {}
  @Anno(Level.NONE)  public void b() {}
  @Anno(Level.ONE)   public void c() {}
  @Anno(Level.TWO)   public void d() {}
  @Anno(Level.THREE) public void e() {}

}

enum Level { NONE, ONE, TWO, THREE; }

@Retention(RetentionPolicy.RUNTIME)
@interface Anno { Level value(); Level foo() default Level.ONE;}

aspect X {

  before(Level l): execution(@Anno !@Anno(Level.NONE) * *(..)) && @annotation(Anno(l)) {
    System.out.println(l);
  }
}