/// <summary>
/// Divide candidate faces into groups based on face similarity.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='faceIds'>
/// Array of candidate faceId created by Face - Detect. The maximum is 1000
/// faces
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task <GroupResult> GroupAsync(this IFaceOperations operations, IList <System.Guid> faceIds, CancellationToken cancellationToken = default(CancellationToken))
{
using (var _result = await operations.GroupWithHttpMessagesAsync(faceIds, null, cancellationToken).ConfigureAwait(false))
{
return(_result.Body);
}
}