/// <summary>
/// Add the administrator for root collection.
/// </summary>
/// <remarks>
/// Add the administrator for root collection associated with this account.
/// </remarks>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='resourceGroupName'>
/// The resource group name.
/// </param>
/// <param name='accountName'>
/// The name of the account.
/// </param>
/// <param name='collectionAdminUpdate'>
/// The collection admin update payload.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task AddRootCollectionAdminAsync(this IAccountsOperations operations, string resourceGroupName, string accountName, CollectionAdminUpdate collectionAdminUpdate, CancellationToken cancellationToken = default(CancellationToken))
{
(await operations.AddRootCollectionAdminWithHttpMessagesAsync(resourceGroupName, accountName, collectionAdminUpdate, null, cancellationToken).ConfigureAwait(false)).Dispose();
}