/// <summary>
/// Creates a virtual wan vpn gateway if it doesn't exist else updates the
/// existing gateway.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='resourceGroupName'>
/// The resource group name of the VpnGateway.
/// </param>
/// <param name='gatewayName'>
/// The name of the gateway.
/// </param>
/// <param name='vpnGatewayParameters'>
/// Parameters supplied to create or Update a virtual wan vpn gateway.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task <VpnGatewayInner> CreateOrUpdateAsync(this IVpnGatewaysOperations operations, string resourceGroupName, string gatewayName, VpnGatewayInner vpnGatewayParameters, CancellationToken cancellationToken = default(CancellationToken))
{
using (var _result = await operations.CreateOrUpdateWithHttpMessagesAsync(resourceGroupName, gatewayName, vpnGatewayParameters, null, cancellationToken).ConfigureAwait(false))
{
return(_result.Body);
}
}