/// <summary>
/// Deletes a virtual wan vpn 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='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task BeginDeleteAsync(this IVpnGatewaysOperations operations, string resourceGroupName, string gatewayName, CancellationToken cancellationToken = default(CancellationToken))
{
(await operations.BeginDeleteWithHttpMessagesAsync(resourceGroupName, gatewayName, null, cancellationToken).ConfigureAwait(false)).Dispose();
}