/// <summary>
/// Gets the entity state (Etag) version of the Global policy definition in 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='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task <PolicyGetEntityTagHeaders> GetEntityTagAsync(this IPolicyOperations operations, string resourceGroupName, string serviceName, CancellationToken cancellationToken = default(CancellationToken))
{
using (var _result = await operations.GetEntityTagWithHttpMessagesAsync(resourceGroupName, serviceName, null, cancellationToken).ConfigureAwait(false))
{
return(_result.Headers);
}
}