@SuppressWarnings("unused")
public void someAction(@DescribedAs("some description") final int x) {}
}
final Method actionMethod = findMethod(Customer.class, "someAction", new Class[] { int.class });
facetFactory.processParams(new ProcessParameterContext(actionMethod, 0, facetedMethodParameter));
final Facet facet = facetedMethodParameter.getFacet(DescribedAsFacet.class);
assertNotNull(facet);
assertTrue(facet instanceof DescribedAsFacetAbstract);
final DescribedAsFacetAbstract describedAsFacetAbstract = (DescribedAsFacetAbstract) facet;