public ClassLoaderSourceJvmBytecodeInterceptorFactoryProvider(ClassLoader classLoader, String forPackage) {
            this.factories = Lazy.locking().of(() -> loadFactories(classLoader, forPackage));
        }

        private static List<JvmBytecodeCallInterceptor.Factory> loadFactories(ClassLoader classLoader, String forPackage) {
            ImmutableList.Builder<JvmBytecodeCallInterceptor.Factory> factories = ImmutableList.builder();