/// <summary>
/// Deletes the specified virtual network.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='resourceGroupName'>
/// The name of the resource group.
/// </param>
/// <param name='virtualNetworkName'>
/// The name of the virtual network.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task BeginDeleteAsync(this IVirtualNetworksOperations operations, string resourceGroupName, string virtualNetworkName, CancellationToken cancellationToken = default(CancellationToken))
{
(await operations.BeginDeleteWithHttpMessagesAsync(resourceGroupName, virtualNetworkName, null, cancellationToken).ConfigureAwait(false)).Dispose();
}