/// <summary>
 /// Remove a sinner from a group. If this sinner is the last member of it's
 /// group, the group will be deleted as well!
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='groupid'>
 /// </param>
 /// <param name='sinnerid'>
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <bool?> DeleteLeaveGroupAsync(this ISINnersClient operations, Guid?groupid = default(Guid?), Guid?sinnerid = default(Guid?), CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.DeleteLeaveGroupWithHttpMessagesAsync(groupid, sinnerid, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }