[Text Analytics] Expose StringIndextype for all endpoints

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

@@ -20,6 +20,6 @@ public partial class EntitiesTaskParameters
         /// <summary>
         /// StringIndexType
         /// </summary>
-        internal StringIndexType? StringIndexType { get; set; }
+        public StringIndexType? StringIndexType { get; set; }
     }
 }

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

@@ -20,7 +20,7 @@ public partial class PiiTaskParameters
         /// <summary>
         /// StringIndexType
         /// </summary>
-        internal StringIndexType? StringIndexType { get; set; }
+        public StringIndexType? StringIndexType { get; set; }
 
         /// <summary>
         /// PiiTaskParametersDomain

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

@@ -3,10 +3,10 @@
 
 using Azure.Core;
 
-namespace Azure.AI.TextAnalytics.Models
+namespace Azure.AI.TextAnalytics
 {
     [CodeGenModel("StringIndexType")]
-    internal partial struct StringIndexType
+    public partial struct StringIndexType
     {
     }
 }

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

@@ -1,6 +1,8 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
+using Azure.AI.TextAnalytics.Models;
+
 namespace Azure.AI.TextAnalytics
 {
     /// <summary>
@@ -40,5 +42,10 @@ internal TextAnalyticsRequestOptions(bool includeStatistics, string modelVersion
         /// <a href="https://docs.microsoft.com/azure/cognitive-services/text-analytics/how-tos/text-analytics-how-to-sentiment-analysis#model-versioning"/>.
         /// </summary>
         public string ModelVersion { get; set; }
+
+        /// <summary>
+        /// StringIndexType
+        /// </summary>
+        public StringIndexType? StringIndexType { get; set; }
     }
 }

sdk/textanalytics/Azure.AI.TextAnalytics/src/autorest.md

@@ -7,7 +7,7 @@ Run `dotnet build /t:GenerateCode` to generate code.
 
 ``` yaml
 input-file:
-    -  https://github.com/Azure/azure-rest-api-specs/blob/9b2689fe79302577b843f1cdf40f42330a67de08/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.3/TextAnalytics.json
+		-  https://github.com/Azure/azure-rest-api-specs/blob/a5dcb30f776c3f07e937912a9a163b2ec2bbbef8/specification/cognitiveservices/data-plane/TextAnalytics/preview/v3.1-preview.3/TextAnalytics.json
 ```
 
 ### Make generated models internal by default

sdk/textanalytics/Azure.AI.TextAnalytics/tests/AnalyzeSentimentTests.cs

@@ -270,6 +270,23 @@ public async Task AnalyzeSentimentBatchConvenienceWithStatisticsTest()
             Assert.IsNotNull(results.Statistics.InvalidDocumentCount);
         }
 
+        [Test]
+        public async Task AnalyzeSentimentBatchConvenienceWithStringIndexTypeTest()
+        {
+            TextAnalyticsClient client = GetClient();
+            var documents = batchConvenienceDocuments;
+
+            AnalyzeSentimentResultCollection results = await client.AnalyzeSentimentBatchAsync(documents, options: new AnalyzeSentimentOptions() { StringIndexType = StringIndexType.UnicodeCodePoint });
+
+            foreach (AnalyzeSentimentResult docs in results)
+            {
+                CheckAnalyzeSentimentProperties(docs.DocumentSentiment);
+            }
+
+            Assert.AreEqual("Positive", results[0].DocumentSentiment.Sentiment.ToString());
+            Assert.AreEqual("Negative", results[1].DocumentSentiment.Sentiment.ToString());
+        }
+
         [Test]
         public async Task AnalyzeSentimentBatchConvenienceWithStatisticsAndCancellationTest()
         {