Add SonarQubeIssueTransitionResult (#5033)

Part of #5022

src/SonarQube.Client/ISonarQubeService.cs

@@ -153,6 +153,6 @@ Task<IList<SonarQubeNotification>> GetNotificationEventsAsync(string projectKey,
         /// Sets review status for an issue and adds an optional comment.
         /// See api/issues/do_transition and api/issues/add_comment
         /// </summary>
-        Task TransitionIssueAsync(string issueKey, SonarQubeIssueTransition transition, string optionalComment, CancellationToken token);
+        Task<SonarQubeIssueTransitionResult> TransitionIssueAsync(string issueKey, SonarQubeIssueTransition transition, string optionalComment, CancellationToken token);
     }
 }

src/SonarQube.Client/Models/SonarQubeIssueTransitionResult.cs

@@ -0,0 +1,30 @@
+/*
+ * SonarLint for Visual Studio
+ * Copyright (C) 2016-2023 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+namespace SonarQube.Client.Models
+{
+    public enum SonarQubeIssueTransitionResult
+    {
+        Success,
+        InsufficientRights ,
+        FailedToTransition,
+        CommentAdditionFailed
+    }
+}

src/SonarQube.Client/SonarQubeService.cs

@@ -393,10 +393,10 @@ public async Task<IList<SonarQubeHotspotSearch>> SearchHotspotsAsync(string proj
                 token);
 
         [ExcludeFromCodeCoverage]
-        public Task TransitionIssueAsync(string issueKey, SonarQubeIssueTransition transition, string optionalComment, CancellationToken token)
+        public Task<SonarQubeIssueTransitionResult> TransitionIssueAsync(string issueKey, SonarQubeIssueTransition transition, string optionalComment, CancellationToken token)
         {
             // no-op, will be implemented later
-            return Task.CompletedTask;
+            return Task.FromResult(SonarQubeIssueTransitionResult.Success);
         }
 
         public async Task<IList<SonarQubeIssue>> GetTaintVulnerabilitiesAsync(string projectKey, string branch, CancellationToken token)