/// <summary>
/// Deletes the global policy configuration of the Api Management Service.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='resourceGroupName'>
/// The name of the resource group.
/// </param>
/// <param name='serviceName'>
/// The name of the API Management service.
/// </param>
/// <param name='ifMatch'>
/// ETag of the Entity. ETag should match the current entity state from the
/// header response of the GET request or it should be * for unconditional
/// update.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task DeleteAsync(this IPolicyOperations operations, string resourceGroupName, string serviceName, string ifMatch, CancellationToken cancellationToken = default(CancellationToken))
{
(await operations.DeleteWithHttpMessagesAsync(resourceGroupName, serviceName, ifMatch, null, cancellationToken).ConfigureAwait(false)).Dispose();
}