How to use the cloudbridge.cloud.providers.aws.resources.AWSVMFirewallRule function in cloudbridge

def list(self, limit=None, marker=None):
        # pylint:disable=protected-access
        rules = [AWSVMFirewallRule(self.firewall,
                                   TrafficDirection.INBOUND, r)
                 for r in self.firewall._vm_firewall.ip_permissions]
        rules = rules + [
            AWSVMFirewallRule(
                self.firewall, TrafficDirection.OUTBOUND, r)
            for r in self.firewall._vm_firewall.ip_permissions_egress]
        return ClientPagedResultList(self._provider, rules,
                                     limit=limit, marker=marker)

def create(self,  direction, protocol=None, from_port=None,
               to_port=None, cidr=None, src_dest_fw=None):
        src_dest_fw_id = (
            src_dest_fw.id if isinstance(src_dest_fw, AWSVMFirewall)
            else src_dest_fw)

        # pylint:disable=protected-access
        ip_perm_entry = AWSVMFirewallRule._construct_ip_perms(
            protocol, from_port, to_port, cidr, src_dest_fw_id)
        # Filter out empty values to please Boto
        ip_perms = [trim_empty_params(ip_perm_entry)]

        try:
            if direction == TrafficDirection.INBOUND:
                # pylint:disable=protected-access
                self.firewall._vm_firewall.authorize_ingress(
                    IpPermissions=ip_perms)
            elif direction == TrafficDirection.OUTBOUND:
                # pylint:disable=protected-access
                self.firewall._vm_firewall.authorize_egress(
                    IpPermissions=ip_perms)
            else:
                raise InvalidValueException("direction", direction)
            self.firewall.refresh()

def __init__(self, parent_fw, direction, rule):
        self._direction = direction
        super(AWSVMFirewallRule, self).__init__(parent_fw, rule)

        # cache id
        md5 = hashlib.md5()
        md5.update(self._name.encode('ascii'))
        self._id = md5.hexdigest()

def list(self, limit=None, marker=None):
        # pylint:disable=protected-access
        rules = [AWSVMFirewallRule(self.firewall,
                                   TrafficDirection.INBOUND, r)
                 for r in self.firewall._vm_firewall.ip_permissions]
        rules = rules + [
            AWSVMFirewallRule(
                self.firewall, TrafficDirection.OUTBOUND, r)
            for r in self.firewall._vm_firewall.ip_permissions_egress]
        return ClientPagedResultList(self._provider, rules,
                                     limit=limit, marker=marker)

try:
            if direction == TrafficDirection.INBOUND:
                # pylint:disable=protected-access
                self.firewall._vm_firewall.authorize_ingress(
                    IpPermissions=ip_perms)
            elif direction == TrafficDirection.OUTBOUND:
                # pylint:disable=protected-access
                self.firewall._vm_firewall.authorize_egress(
                    IpPermissions=ip_perms)
            else:
                raise InvalidValueException("direction", direction)
            self.firewall.refresh()
            return AWSVMFirewallRule(self.firewall, direction, ip_perm_entry)
        except ClientError as ec2e:
            if ec2e.response['Error']['Code'] == "InvalidPermission.Duplicate":
                return AWSVMFirewallRule(
                    self.firewall, direction, ip_perm_entry)
            else:
                raise ec2e

# Filter out empty values to please Boto
        ip_perms = [trim_empty_params(ip_perm_entry)]

        try:
            if direction == TrafficDirection.INBOUND:
                # pylint:disable=protected-access
                self.firewall._vm_firewall.authorize_ingress(
                    IpPermissions=ip_perms)
            elif direction == TrafficDirection.OUTBOUND:
                # pylint:disable=protected-access
                self.firewall._vm_firewall.authorize_egress(
                    IpPermissions=ip_perms)
            else:
                raise InvalidValueException("direction", direction)
            self.firewall.refresh()
            return AWSVMFirewallRule(self.firewall, direction, ip_perm_entry)
        except ClientError as ec2e:
            if ec2e.response['Error']['Code'] == "InvalidPermission.Duplicate":
                return AWSVMFirewallRule(
                    self.firewall, direction, ip_perm_entry)
            else:
                raise ec2e