"application/vnd.oma.bcast.simple-symbol-container",
				"application/vnd.oma.bcast.smartcard-trigger+xml",
				"application/vnd.oma.bcast.sprov+xml",
				"application/vnd.oma.bcast.stkm",
				"application/vnd.oma.dcd",
				"application/vnd.oma.dcdc",
				"application/vnd.oma.dd2+xml",
				"application/vnd.oma.drm.risd+xml",
				"application/vnd.oma.group-usage-list+xml",
				"application/vnd.oma.poc.detailed-progress-report+xml",

            stk.pop();
            stk.pop();
        });
        root.map(Activation::getOs).ifPresent(oa -> {
            stk.push(new ActivationFrame("os", Optional.of(oa)));
            stk.push(new ActivationFrame("arch", Optional.empty()));
            validator.accept(oa.getArch());
            stk.peek().location = "family";
            validator.accept(oa.getFamily());
            stk.peek().location = "name";