Change type of metadata to unknown

src/server/protocol.ts

@@ -225,7 +225,7 @@ namespace ts.server.protocol {
         /**
          * Contains extra information that plugin can include to be passed on
          */
-        metadata?: any;
+        metadata?: unknown;
     }
 
     /**

src/server/session.ts

@@ -688,7 +688,7 @@ namespace ts.server {
                 success,
             };
             if (success) {
-                let metadata: any;
+                let metadata: unknown;
                 if (isArray(info)) {
                     res.body = info;
                     metadata = (info as WithMetadata<ReadonlyArray<any>>).metadata;

src/services/types.ts

@@ -238,7 +238,7 @@ namespace ts {
     /* @internal */
     export const emptyOptions = {};
 
-    export type WithMetadata<T> = T & { metadata?: any; };
+    export type WithMetadata<T> = T & { metadata?: unknown; };
 
     //
     // Public services of a language service instance associated

tests/baselines/reference/api/tsserverlibrary.d.ts

@@ -4689,7 +4689,7 @@ declare namespace ts {
         writeFile?(fileName: string, content: string): void;
     }
     type WithMetadata<T> = T & {
-        metadata?: any;
+        metadata?: unknown;
     };
     interface LanguageService {
         cleanupSemanticCache(): void;
@@ -5793,7 +5793,7 @@ declare namespace ts.server.protocol {
         /**
          * Contains extra information that plugin can include to be passed on
          */
-        metadata?: any;
+        metadata?: unknown;
     }
     /**
      * Arguments for FileRequest messages.

tests/baselines/reference/api/typescript.d.ts

@@ -4689,7 +4689,7 @@ declare namespace ts {
         writeFile?(fileName: string, content: string): void;
     }
     type WithMetadata<T> = T & {
-        metadata?: any;
+        metadata?: unknown;
     };
     interface LanguageService {
         cleanupSemanticCache(): void;