private static void reloadKeyManager(TransportSecurityOptions options, MutableX509KeyManager keyManager) {
        if (options.getPrivateKeyFile().isPresent() && options.getCertificatesFile().isPresent()) {
            keyManager.updateKeystore(loadKeystore(options.getPrivateKeyFile().get(), options.getCertificatesFile().get()), new char[0]);
        } else {
            keyManager.useDefaultKeystore();
        }
    }
Allows the caller to override the default peer authentication mode. This is only intended to be used in situations where
the TLS peer authentication is enforced at a higher protocol or application layer (e.g with {@link PeerAuthentication#WANT}).
security-utils/src/main/java/com/yahoo/security/tls/ConfigFileBasedTlsContext.java