/// <summary>
 /// Updates welcome regulation rule.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='model'>
 /// The model what describe a welcome regulation rule.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <ErrorResponse> UpdateWelcomeRegulationRuleAsync(this IRegulationAPI operations, WelcomeRegulationRuleModel model = default(WelcomeRegulationRuleModel), CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.UpdateWelcomeRegulationRuleWithHttpMessagesAsync(model, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }