import java.lang.annotation.ElementType;
import java.lang.annotation.Repeatable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Repeatable(Etichette.class)
public @interface Etichetta {
    String value();
}

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@interface Etichette {
    Etichetta[] value();
}