/// <summary>
/// Detect human faces in an image and returns face locations, and optionally
/// with faceIds, landmarks, and attributes.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='url'>
/// Publicly reachable URL of an image
/// </param>
/// <param name='returnFaceId'>
/// A value indicating whether the operation should return faceIds of detected
/// faces.
/// </param>
/// <param name='returnFaceLandmarks'>
/// A value indicating whether the operation should return landmarks of the
/// detected faces.
/// </param>
/// <param name='returnFaceAttributes'>
/// Analyze and return the one or more specified face attributes in the
/// comma-separated string like "returnFaceAttributes=age,gender". Supported
/// face attributes include age, gender, headPose, smile, facialHair, glasses
/// and emotion. Note that each face attribute analysis has additional
/// computational and time cost.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task <IList <DetectedFace> > DetectWithUrlAsync(this IFaceOperations operations, string url, bool?returnFaceId = true, bool?returnFaceLandmarks = false, IList <FaceAttributeType> returnFaceAttributes = default(IList <FaceAttributeType>), CancellationToken cancellationToken = default(CancellationToken))
{
using (var _result = await operations.DetectWithUrlWithHttpMessagesAsync(url, returnFaceId, returnFaceLandmarks, returnFaceAttributes, null, cancellationToken).ConfigureAwait(false))
{
return(_result.Body);
}
}