diff --git a/src/server/protocol.ts b/src/server/protocol.ts
index 1f21dde2669ba..e8d5b285811f5 100644
--- a/src/server/protocol.ts
+++ b/src/server/protocol.ts
@@ -6,13 +6,21 @@ import type {
     EndOfLineState,
     FileExtensionInfo,
     HighlightSpanKind,
+    InlayHintKind,
     InteractiveRefactorArguments,
     OutputFile,
+    RefactorActionInfo,
     RefactorTriggerReason,
     RenameInfoFailure,
     RenameLocation,
     ScriptElementKind,
     ScriptKind,
+    SignatureHelpCharacterTypedReason,
+    SignatureHelpInvokedReason,
+    SignatureHelpParameter,
+    SignatureHelpRetriggerCharacter,
+    SignatureHelpRetriggeredReason,
+    SignatureHelpTriggerCharacter,
     SignatureHelpTriggerReason,
     SymbolDisplayPart,
     TextChange,
@@ -30,7 +38,7 @@ import {
 } from "./_namespaces/ts.js";
 
 // These types/enums used to be defined in duplicate here and exported. They are re-exported to avoid breaking changes.
-export { ApplicableRefactorInfo, ClassificationType, CompletionsTriggerCharacter, CompletionTriggerKind, OrganizeImportsMode, RefactorTriggerReason, RenameInfoFailure, SemicolonPreference, SignatureHelpTriggerReason, SymbolDisplayPart, UserPreferences };
+export { ApplicableRefactorInfo, ClassificationType, CompletionsTriggerCharacter, CompletionTriggerKind, InlayHintKind, OrganizeImportsMode, RefactorActionInfo, RefactorTriggerReason, RenameInfoFailure, SemicolonPreference, SignatureHelpCharacterTypedReason, SignatureHelpInvokedReason, SignatureHelpParameter, SignatureHelpRetriggerCharacter, SignatureHelpRetriggeredReason, SignatureHelpTriggerCharacter, SignatureHelpTriggerReason, SymbolDisplayPart, UserPreferences };
 
 type ChangeStringIndexSignature<T, NewStringIndexSignatureType> = { [K in keyof T]: string extends K ? NewStringIndexSignatureType : T[K]; };
 type ChangePropertyTypes<T, Substitutions extends { [K in keyof T]?: any; }> = {
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index b1ac4827d4fd1..214da03f12687 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -20,10 +20,18 @@ declare namespace ts {
             export import ClassificationType = ts.ClassificationType;
             export import CompletionsTriggerCharacter = ts.CompletionsTriggerCharacter;
             export import CompletionTriggerKind = ts.CompletionTriggerKind;
+            export import InlayHintKind = ts.InlayHintKind;
             export import OrganizeImportsMode = ts.OrganizeImportsMode;
+            export import RefactorActionInfo = ts.RefactorActionInfo;
             export import RefactorTriggerReason = ts.RefactorTriggerReason;
             export import RenameInfoFailure = ts.RenameInfoFailure;
             export import SemicolonPreference = ts.SemicolonPreference;
+            export import SignatureHelpCharacterTypedReason = ts.SignatureHelpCharacterTypedReason;
+            export import SignatureHelpInvokedReason = ts.SignatureHelpInvokedReason;
+            export import SignatureHelpParameter = ts.SignatureHelpParameter;
+            export import SignatureHelpRetriggerCharacter = ts.SignatureHelpRetriggerCharacter;
+            export import SignatureHelpRetriggeredReason = ts.SignatureHelpRetriggeredReason;
+            export import SignatureHelpTriggerCharacter = ts.SignatureHelpTriggerCharacter;
             export import SignatureHelpTriggerReason = ts.SignatureHelpTriggerReason;
             export import SymbolDisplayPart = ts.SymbolDisplayPart;
             export import UserPreferences = ts.UserPreferences;