@Decorator

public abstract class FooDecorator implements Foo {

  @Any

  @Inject

  @Delegate

  private Foo foo;

  @Override

  public String process() {

    ...

    return foo.process();

  }

}

  @Baz

  public class Baz implements Foo {

     ...

  }

  @Bar

  @Produces

  public Foo producePaymentProcessor() {

    return new Foo() {

       ....

    };

  };