@Override
    public ClientFactoryBuilder tls(KeyManagerFactory keyManagerFactory) {
        requireNonNull(keyManagerFactory, "keyManagerFactory");
        return tlsCustomizer(customizer -> customizer.keyManager(keyManagerFactory));
    }
Configures SSL or TLS for client certificate authentication with the specified {@link KeyManagerFactory}.
core/src/main/java/com/linecorp/armeria/client/ClientFactoryBuilder.java