@Override
    public ServerBuilder tls(TlsKeyPair tlsKeyPair) {
        virtualHostTemplate.tls(tlsKeyPair);
        return this;
    }
Configures SSL or TLS with the specified {@link TlsKeyPair}.

<p>Note that this method mutually exclusive with {@link #tlsProvider(TlsProvider)}.
core/src/main/java/com/linecorp/armeria/server/ServerBuilder.java