code: def _get_selected_cipher_suite(
              server_connectivity: ServerConnectivityInfo,
              ssl_version: OpenSslVersionEnum,
              openssl_cipher_str: str,
              should_use_legacy_openssl: Optional[bool]
      ) -> 'AcceptedCipherSuite':
          
          ssl_connection = server_connectivity.get_preconfigured_ssl_connection(
              override_ssl_version=ssl_version, should_use_legacy_openssl=should_use_legacy_openssl
          )
          ssl_connection.ssl_client.set_cipher_list(openssl_cipher_str)
  
          # Perform the SSL handshake
          try:
              ssl_connection.connect()
              selected_cipher = AcceptedCipherSuite.from_ongoing_ssl_connection(ssl_connection, ssl_version)
          except ClientCertificateRequested:
              selected_cipher = AcceptedCipherSuite.from_ongoing_ssl_connection(ssl_connection, ssl_version)
          finally:
              ssl_connection.close()
          return selected_cipher
docs: Given an OpenSSL cipher string (which may specify multiple cipher suites), return the cipher suite that was
          selected by the server during the SSL handshake.