public static TlsStrategy getSystemDefault() {
        return new ConscryptClientTlsStrategy(
                SSLContexts.createSystemDefault(),
                HttpsSupport.getSystemProtocols(),
                HttpsSupport.getSystemCipherSuits(),
                SSLBufferMode.STATIC,
                HostnameVerificationPolicy.BUILTIN,
                null);
    }
TLS upgrade strategy for non-blocking client connections using Conscrypt TLS library.

@since 5.0
httpclient5/src/main/java/org/apache/hc/client5/http/ssl/ConscryptClientTlsStrategy.java