Retrieve information about your VPN_CONNECTIONs.  You can filter results to
        return information only about those VPN_CONNECTIONs that match your search
        parameters.  Otherwise, all VPN_CONNECTIONs associated with your account
        are returned.

        :type vpn_connection_ids: list
        :param vpn_connection_ids: A list of strings with the desired VPN_CONNECTION ID's

        :type filters: list of tuples
        :param filters: A list of tuples containing filters.  Each tuple
                        consists of a filter key and a filter value.
                        Possible filter keys are:

                        - *state*, the state of the VPN_CONNECTION
                          pending,available,deleting,deleted
                        - *type*, the type of connection, currently 'ipsec.1'
                        - *customerGatewayId*, the ID of the customer gateway
                          associated with the VPN
                        - *vpnGatewayId*, the ID of the VPN gateway associated
                          with the VPN connection

        :rtype: list
        :return: A list of :class:`boto.vpn_connection.vpnconnection.VpnConnection`

def get_all_vpn_connections(self, vpn_connection_ids=None, filters=None):
        """
        Retrieve information about your VPN_CONNECTIONs.  You can filter results to
        return information only about those VPN_CONNECTIONs that match your search
        parameters.  Otherwise, all VPN_CONNECTIONs associated with your account
        are returned.

        :type vpn_connection_ids: list
        :param vpn_connection_ids: A list of strings with the desired VPN_CONNECTION ID's

        :type filters: list of tuples
        :param filters: A list of tuples containing filters.  Each tuple
                        consists of a filter key and a filter value.
                        Possible filter keys are:

                        - *state*, the state of the VPN_CONNECTION
                          pending,available,deleting,deleted
                        - *type*, the type of connection, currently 'ipsec.1'
                        - *customerGatewayId*, the ID of the customer gateway
                          associated with the VPN
                        - *vpnGatewayId*, the ID of the VPN gateway associated
                          with the VPN connection

        :rtype: list
        :return: A list of :class:`boto.vpn_connection.vpnconnection.VpnConnection`
        """
        params = {}
        if vpn_connection_ids:
            self.build_list_params(params, vpn_connection_ids, 'Vpn_ConnectionId')
        if filters:
            i = 1
            for filter in filters:
                params[('Filter.%d.Name' % i)] = filter[0]
                params[('Filter.%d.Value.1')] = filter[1]
                i += 1
        return self.get_list('DescribeVpnConnections', params, [('item', VpnConnection)])