'Lists all network ACLs
:rtype: ``list`` of :class:`CloudStackNetworkACLList`'

def ex_list_network_acllists(self):

    acllists = []
    result = self._sync_request(command='listNetworkACLLists', method='GET')
    if (not result):
        return acllists
    for acllist in result['networkacllist']:
        acllists.append(CloudStackNetworkACLList(acllist['id'], acllist['name'], acllist.get('vpcid', []), self, acllist['description']))
    return acllists
