2 files changed, 6 insertions, 5 deletions
diff --git a/cli/tsc/99_main_compiler.js b/cli/tsc/99_main_compiler.js
index c2b50ba16..85ab38ccc 100644
--- a/cli/tsc/99_main_compiler.js
+++ b/cli/tsc/99_main_compiler.js
@@ -718,10 +718,9 @@ delete Object.prototype.__proto__;
             request.args.specifier,
             request.args.position,
             request.args.name,
-            undefined,
+            {},
             request.args.source,
-            undefined,
-            // @ts-expect-error this exists in 4.3 but not part of the d.ts
+            request.args.preferences,
             request.args.data,
           ),
         );
diff --git a/cli/tsc/compiler.d.ts b/cli/tsc/compiler.d.ts
index 1ba116170..bf0660470 100644
--- a/cli/tsc/compiler.d.ts
+++ b/cli/tsc/compiler.d.ts
@@ -50,6 +50,7 @@ declare global {
   }
 
   type LanguageServerRequest =
+    | Restart
     | ConfigureRequest
     | FindRenameLocationsRequest
     | GetAssets
@@ -138,7 +139,8 @@ declare global {
       position: number;
       name: string;
       source?: string;
-      data?: unknown;
+      preferences?: ts.UserPreferences;
+      data?: ts.CompletionEntryData;
     };
   }
 
@@ -252,7 +254,7 @@ declare global {
     position: number;
   }
 
-  interface Restart {
+  interface Restart extends BaseLanguageServerRequest {
     method: "restart";
   }
 }