public static boolean isInternalUri(URI uri) {
        if (Clients.isUndefinedUri(uri)) {
            return true;
        }
        final String authority = uri.getAuthority();
        return authority != null && authority.startsWith(INTERNAL_PREFIX) && uri.getPort() == 1;
    }
Returns {@code true} if the specified {@code uri} was generated by armeria.
core/src/main/java/com/linecorp/armeria/internal/client/ClientBuilderParamsUtil.java