java reflect

static List<ConnectionSpec> GmTlsSpecs(){
    final ConnectionSpec tls = ConnectionSpec.MODERN_TLS;
    List<CipherSuite> cs = tls.cipherSuites();
    List<TlsVersion> versions = tls.tlsVersions();
    try {
        Constructor[] ccs = CipherSuite.class.getConstructors();
        Constructor cc = CipherSuite.class.getDeclaredConstructors()[0];
        cc.setAccessible(true);
        CipherSuite suite = (CipherSuite)cc.newInstance("TLS_ECC_SM4_SM3");
        cs = new ArrayList<>(cs);
        cs.add(suite /*new CipherSuite("TLS_ECC_SM4_SM3")*/);
        Constructor tc = TlsVersion.class.getDeclaredConstructors()[0];
        tc.setAccessible(true);
        TlsVersion ver =  (TlsVersion)tc.newInstance("GMTLS");
        versions = new ArrayList<>(versions);
        versions.add(ver /*new TlsVersion("GMTLS")*/);
    } catch (Exception e){
        e.printStackTrace();
    }
    ConnectionSpec gmtls = (new ConnectionSpec.Builder(tls)).cipherSuites(cs.toArray(new CipherSuite[cs.size()])).
            tlsVersions(versions.toArray(new TlsVersion[versions.size()])).build();
    return Util.immutableList(new ConnectionSpec[]{gmtls, ConnectionSpec.CLEARTEXT});
}