Retrieve installed trap, drop and bypass policies.

        :param filters: retrieve only matching policies (optional)
        :type filters: dict
        :return: list of installed trap, drop and bypass policies
        :rtype: list

def list_policies(self, filters=None):
        """Retrieve installed trap, drop and bypass policies.

        :param filters: retrieve only matching policies (optional)
        :type filters: dict
        :return: list of installed trap, drop and bypass policies
        :rtype: list
        """
        _, policy_list = self.handler.streamed_request("list-policies",
                                                       "list-policy", filters)
        return policy_list