:param data:
        :type data: dict
        :return:
        :rtype:

def transform(self, data):
        """
        :param data:
        :type data: dict
        :return:
        :rtype:
        """
        out=[]
        keys = sorted(data.keys())
        for k in keys:
            out.append("%s=%s" % (k, data[k]))
        return "\n".join(out)