:param groupid:
        :type groupid: str
        :param participantid:
        :type participantid: str
        :param skmsgdata:
        :type skmsgdata: bytearray
        :return:
        :rtype:

def group_create_session(self, groupid, participantid, skmsgdata):
        """
        :param groupid:
        :type groupid: str
        :param participantid:
        :type participantid: str
        :param skmsgdata:
        :type skmsgdata: bytearray
        :return:
        :rtype:
        """
        logger.debug("group_create_session(groupid=%s, participantid=%s, skmsgdata=[omitted])"
                     % (groupid, participantid))
        senderKeyName = SenderKeyName(groupid, AxolotlAddress(participantid, 0))
        senderkeydistributionmessage = SenderKeyDistributionMessage(serialized=skmsgdata)
        self._group_session_builder.process(senderKeyName, senderkeydistributionmessage)