public void AddTlsCipherSuiteGroup(TlsCipherSuiteGroup cipherSuiteGroup) => sec_protocol_options_append_tls_ciphersuite_group(GetCheckedHandle(), cipherSuiteGroup);
static extern void sec_protocol_options_append_tls_ciphersuite_group(sec_protocol_options_t options, TlsCipherSuiteGroup group);