waitUntilVpnConnectionAvailable
suspend fun Ec2Client.waitUntilVpnConnectionAvailable(request: DescribeVpnConnectionsRequest = DescribeVpnConnectionsRequest { }): Outcome<DescribeVpnConnectionsResponse>
suspend fun Ec2Client.waitUntilVpnConnectionAvailable(block: DescribeVpnConnectionsRequest.Builder.() -> Unit): Outcome<DescribeVpnConnectionsResponse>