'Returns a list of virtual private gateways owned by the AWS
account.
You can create one or more AWS Direct Connect private virtual
interfaces linking to a virtual private gateway. A virtual
private gateway can be managed via Amazon Virtual Private
Cloud (VPC) console or the `EC2 CreateVpnGateway`_ action.'

def describe_virtual_gateways(self):

    params = {}
    return self.make_request(action='DescribeVirtualGateways', body=json.dumps(params))
