@UnstableApi
    public static ClientBuilder builder(ClientPreprocessors preprocessors) {
        requireNonNull(preprocessors, "preprocessors");
        return new ClientBuilder(SerializationFormat.NONE, preprocessors, null);
    }
Returns a new {@link ClientBuilder} that builds the client that is configured with the specified
{@link ClientPreprocessors}.
core/src/main/java/com/linecorp/armeria/client/Clients.java