/// <summary>
/// Uploads a new offline license activation.
/// The content of the license is sent as a file embedded in the HTTP request.
/// </summary>
/// <remarks>
/// Client Credentials Flow required permissions: Administration or
/// Administration.Write.
///
/// Host only. Requires authentication.
/// </remarks>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='file'>
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task ActivateLicenseOfflineAsync(this IHostLicenses operations, Stream file, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken))
{
(await operations.ActivateLicenseOfflineWithHttpMessagesAsync(file, null, cancellationToken).ConfigureAwait(false)).Dispose();
}