return null;
}
final Class<?>[] values = annotation.value();
final List<Specification> specifications = new ArrayList<Specification>();
for (final Class<?> value : values) {
final Specification specification = newSpecificationElseNull(value);
if (specification != null) {
specifications.add(specification);
}
}
return specifications.size() > 0 ? new MustSatisfySpecificationOnParameterFacet(specifications, holder) : null;