static void markAsProcessed(Throwable t) {
        if (t instanceof ServerProviderConformanceTest.ConformanceException ce) {
            ce.markAsProcessed();
        }
    }
Helper class for implementation hooks required by {@link ServerProviderConformanceTest}.
See {@link ServerProviderConformanceTest.ConformanceException#markAsProcessed()} for details.

@author bjorncs
container-core/src/main/java/com/yahoo/jdisc/http/server/jetty/HttpServerConformanceTestHooks.java