make it bool? (Azure#21412)

Author: maririos

sdk/textanalytics/Azure.AI.TextAnalytics/CHANGELOG.md

@@ -17,8 +17,9 @@
   - `RecognizeLinkedEntitiesOptions` changed to new type `RecognizeLinkedEntitiesActions`.
   - `AnalyzeSentimentOptions` changed to new type `AnalyzeSentimentActions`.
 - Renamed type `TextAnalyticsActionDetails` to `TextAnalyticsActionResult`.
-- Changed type `RecognizePiiEntitiesOptions.DomainFilter` from `PiiEntityDomainType?` to `PiiEntityDomainType`.
 - Renamed type `PiiEntityDomainType` to `PiiEntityDomain`.
+- Changed type `RecognizePiiEntitiesOptions.DomainFilter` from `PiiEntityDomainType?` to `PiiEntityDomainType`.
+- Changed type `AnalyzeActionsOptions.IncludeStatistics` from `bool` to `bool?`.
 
 ## 5.1.0-beta.7 (2021-05-18)
 ### New features

sdk/textanalytics/Azure.AI.TextAnalytics/api/Azure.AI.TextAnalytics.netstandard2.0.cs

@@ -29,7 +29,7 @@ public AnalyzeActionsOperation(string operationId, Azure.AI.TextAnalytics.TextAn
     public partial class AnalyzeActionsOptions
     {
         public AnalyzeActionsOptions() { }
-        public bool IncludeStatistics { get { throw null; } set { } }
+        public bool? IncludeStatistics { get { throw null; } set { } }
     }
     public partial class AnalyzeActionsResult
     {

sdk/textanalytics/Azure.AI.TextAnalytics/src/AnalyzeActionsOptions.cs

@@ -14,6 +14,6 @@ public class AnalyzeActionsOptions
         /// Gets or sets a value that, if set to true, indicates that the service
         /// should return statistics with the results of the operation.
         /// </summary>
-        public bool IncludeStatistics { get; set; }
+        public bool? IncludeStatistics { get; set; }
     }
 }