diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Apps.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Apps.cs
index 57d3f3e553a5a..506537c75d436 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Apps.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Apps.cs
@@ -251,17 +251,31 @@ public Apps(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.Endpoint");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Examples.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Examples.cs
index 9c3a6476c12de..bebeafd46c022 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Examples.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Examples.cs
@@ -488,17 +488,31 @@ public Examples(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -672,7 +686,7 @@ public Examples(LUISAuthoringClient client)
         /// <return>
         /// A response object containing the response body and response headers.
         /// </return>
-        public async Task<HttpOperationResponse<OperationStatus>> DeleteWithHttpMessagesAsync(System.Guid appId, string versionId, int exampleId, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<HttpOperationResponse<OperationStatus>> DeleteWithHttpMessagesAsync(System.Guid appId, string versionId, long exampleId, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
         {
             if (Client.Endpoint == null)
             {
diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/ExamplesExtensions.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/ExamplesExtensions.cs
index 366157544a3a3..7ef7464ab15ea 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/ExamplesExtensions.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/ExamplesExtensions.cs
@@ -131,7 +131,7 @@ public static partial class ExamplesExtensions
             /// <param name='cancellationToken'>
             /// The cancellation token.
             /// </param>
-            public static async Task<OperationStatus> DeleteAsync(this IExamples operations, System.Guid appId, string versionId, int exampleId, CancellationToken cancellationToken = default(CancellationToken))
+            public static async Task<OperationStatus> DeleteAsync(this IExamples operations, System.Guid appId, string versionId, long exampleId, CancellationToken cancellationToken = default(CancellationToken))
             {
                 using (var _result = await operations.DeleteWithHttpMessagesAsync(appId, versionId, exampleId, null, cancellationToken).ConfigureAwait(false))
                 {
diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Features.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Features.cs
index d76caa0bde636..1492cff3565f9 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Features.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Features.cs
@@ -269,17 +269,31 @@ public Features(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -461,17 +475,31 @@ public Features(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if(skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/IExamples.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/IExamples.cs
index c86e1aa83d18f..46dcf9e5d73d1 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/IExamples.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/IExamples.cs
@@ -149,6 +149,6 @@ public partial interface IExamples
         /// <exception cref="Microsoft.Rest.ValidationException">
         /// Thrown when a required parameter is null
         /// </exception>
-        Task<HttpOperationResponse<OperationStatus>> DeleteWithHttpMessagesAsync(System.Guid appId, string versionId, int exampleId, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        Task<HttpOperationResponse<OperationStatus>> DeleteWithHttpMessagesAsync(System.Guid appId, string versionId, long exampleId, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
     }
 }
diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Model.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Model.cs
index 090e976ff3ee0..ba27b5ad0ddcd 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Model.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Model.cs
@@ -268,17 +268,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
             }
-            if (take > 500)
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take < 0)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
+            }
+            else if (take == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -633,17 +647,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
             }
-            if (take > 500)
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take < 0)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
+            }
+            else if (take == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -825,17 +853,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
             }
-            if (take > 500)
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take < 0)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
+            }
+            else if (take == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -1017,17 +1059,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
             }
-            if (take > 500)
+            else if (skip == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
+            }
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -1209,17 +1265,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -1745,17 +1815,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
             }
-            if (take > 500)
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
+            }
+            if (take != null)
+            {
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -2095,17 +2179,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
             }
-            if (take > 500)
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take < 0)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
+            }
+            else if (take == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -2294,17 +2392,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "modelId");
             }
-            if (skip < 0)
+            if (skip != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -6921,13 +7033,16 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (take > 500)
-            {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
-            }
-            if (take < 0)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -7114,13 +7229,16 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (take > 500)
-            {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
-            }
-            if (take < 0)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -9689,17 +9807,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
             }
-            if (take > 500)
+            else if (skip == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
+            }
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -10054,17 +10186,31 @@ public Model(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Models/LabelExampleResponse.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Models/LabelExampleResponse.cs
index 3899b6c314ee4..c46cd72645455 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Models/LabelExampleResponse.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Models/LabelExampleResponse.cs
@@ -31,7 +31,7 @@ public LabelExampleResponse()
         /// </summary>
         /// <param name="utteranceText">The example utterance.</param>
         /// <param name="exampleId">The newly created sample ID.</param>
-        public LabelExampleResponse(string utteranceText = default(string), int? exampleId = default(int?))
+        public LabelExampleResponse(string utteranceText = default(string), long? exampleId = default(long?))
         {
             UtteranceText = utteranceText;
             ExampleId = exampleId;
@@ -53,7 +53,7 @@ public LabelExampleResponse()
         /// Gets or sets the newly created sample ID.
         /// </summary>
         [JsonProperty(PropertyName = "ExampleId")]
-        public int? ExampleId { get; set; }
+        public long? ExampleId { get; set; }
 
     }
 }
diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Pattern.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Pattern.cs
index 65f82698898b4..9d88ba0da45c1 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Pattern.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Pattern.cs
@@ -268,17 +268,31 @@ public Pattern(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
@@ -1319,17 +1333,31 @@ public Pattern(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "versionId");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
diff --git a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Versions.cs b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Versions.cs
index d04f8ea1db2c8..9d880b045ea24 100644
--- a/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Versions.cs
+++ b/sdk/cognitiveservices/Language.LUIS.Authoring/src/Generated/Versions.cs
@@ -261,17 +261,31 @@ public Versions(LUISAuthoringClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.Endpoint");
             }
-            if (skip < 0)
+            if (skip != null)
+            {
+                if (skip < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                }
+            }
+            else if (skip == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "skip", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "skip", 0);
             }
-            if (take > 500)
+            if (take != null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                if (take > 500)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMaximum, "take", 500);
+                }
+                if (take < 0)
+                {
+                    throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                }
             }
-            if (take < 0)
+            else if (take == null)
             {
-                throw new ValidationException(ValidationRules.InclusiveMinimum, "take", 0);
+                throw new ValidationException(ValidationRules.CannotBeNull, "take", 0);
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;