chore(Regeneration): Regenerate and run fix copyrights script

Author: mediumTaj

src/IBM.Watson.Assistant.v2/Model/MessageContextSkill.cs

@@ -30,6 +30,11 @@ public class MessageContextSkill
         /// </summary>
         [JsonProperty("user_defined", NullValueHandling = NullValueHandling.Ignore)]
         public Dictionary<string, object> UserDefined { get; set; }
+        /// <summary>
+        /// For internal use only.
+        /// </summary>
+        [JsonProperty("system", NullValueHandling = NullValueHandling.Ignore)]
+        public Dictionary<string, object> System { get; set; }
     }
 
 }

src/IBM.Watson.Discovery.v1/DiscoveryService.cs

@@ -1015,7 +1015,7 @@ public DetailedResponse<Collection> GetCollection(string environmentId, string c
         /// </summary>
         /// <param name="environmentId">The ID of the environment.</param>
         /// <param name="collectionId">The ID of the collection.</param>
-        /// <param name="body">Input an object that allows you to update a collection. (optional)</param>
+        /// <param name="body">Input an object that allows you to update a collection.</param>
         /// <returns><see cref="Collection" />Collection</returns>
         public DetailedResponse<Collection> UpdateCollection(string environmentId, string collectionId, string name, string description = null, string configurationId = null)
         {
@@ -1035,6 +1035,10 @@ public DetailedResponse<Collection> UpdateCollection(string environmentId, strin
             {
                 collectionId = Uri.EscapeDataString(collectionId);
             }
+            if (string.IsNullOrEmpty(name))
+            {
+                throw new ArgumentNullException("`name` is required for `UpdateCollection`");
+            }
 
             if (string.IsNullOrEmpty(VersionDate))
             {
@@ -2515,7 +2519,7 @@ public DetailedResponse<QueryNoticesResponse> QueryNotices(string environmentId,
         /// documentation](https://cloud.ibm.com/docs/services/discovery?topic=discovery-query-concepts#query-concepts).
         /// </summary>
         /// <param name="environmentId">The ID of the environment.</param>
-        /// <param name="queryLong"> (optional)</param>
+        /// <param name="queryLong"></param>
         /// <param name="xWatsonLoggingOptOut">If `true`, queries are not stored in the Discovery **Logs** endpoint.
         /// (optional, default to false)</param>
         /// <returns><see cref="QueryResponse" />QueryResponse</returns>
@@ -2529,6 +2533,10 @@ public DetailedResponse<QueryResponse> FederatedQuery(string environmentId, stri
             {
                 environmentId = Uri.EscapeDataString(environmentId);
             }
+            if (string.IsNullOrEmpty(collectionIds))
+            {
+                throw new ArgumentNullException("`collectionIds` is required for `FederatedQuery`");
+            }
 
             if (string.IsNullOrEmpty(VersionDate))
             {

src/IBM.Watson.Discovery.v2/DiscoveryService.cs

@@ -938,7 +938,7 @@ public DetailedResponse<object> DeleteTrainingQueries(string projectId)
         /// </summary>
         /// <param name="projectId">The ID of the project. This information can be found from the deploy page of the
         /// Discovery administrative tooling.</param>
-        /// <param name="trainingQuery">An object that represents the query to be submitted. (optional)</param>
+        /// <param name="trainingQuery">An object that represents the query to be submitted.</param>
         /// <returns><see cref="TrainingQuery" />TrainingQuery</returns>
         public DetailedResponse<TrainingQuery> CreateTrainingQuery(string projectId, string naturalLanguageQuery, List<TrainingExample> examples, string filter = null)
         {
@@ -950,6 +950,14 @@ public DetailedResponse<TrainingQuery> CreateTrainingQuery(string projectId, str
             {
                 projectId = Uri.EscapeDataString(projectId);
             }
+            if (string.IsNullOrEmpty(naturalLanguageQuery))
+            {
+                throw new ArgumentNullException("`naturalLanguageQuery` is required for `CreateTrainingQuery`");
+            }
+            if (examples == null)
+            {
+                throw new ArgumentNullException("`examples` is required for `CreateTrainingQuery`");
+            }
 
             if (string.IsNullOrEmpty(VersionDate))
             {

src/IBM.Watson.NaturalLanguageUnderstanding.v1/Model/CategoriesOptions.cs

@@ -37,13 +37,6 @@ public class CategoriesOptions
         /// </summary>
         [JsonProperty("limit", NullValueHandling = NullValueHandling.Ignore)]
         public long? Limit { get; set; }
-        /// <summary>
-        /// Enter a [custom
-        /// model](https://cloud.ibm.com/docs/services/natural-language-understanding?topic=natural-language-understanding-customizing)
-        /// ID to override the standard categories model.
-        /// </summary>
-        [JsonProperty("model", NullValueHandling = NullValueHandling.Ignore)]
-        public string Model { get; set; }
     }
 
 }