fix #35053, fix #35051

src/vs/vscode.d.ts

@@ -1543,7 +1543,7 @@ declare module 'vscode' {
 		 * }
 		 * ```
 		 */
-		filters: { [name: string]: string[] };
+		filters?: { [name: string]: string[] };
 	}
 
 	/**
@@ -1569,7 +1569,7 @@ declare module 'vscode' {
 		 * }
 		 * ```
 		 */
-		filters: { [name: string]: string[] };
+		filters?: { [name: string]: string[] };
 	}
 
 	/**

src/vs/workbench/api/node/extHost.protocol.ts

@@ -122,13 +122,13 @@ export interface MainThreadDialogOpenOptions {
 	openFiles?: boolean;
 	openFolders?: boolean;
 	openMany?: boolean;
-	filters: { [name: string]: string[] };
+	filters?: { [name: string]: string[] };
 }
 
 export interface MainThreadDialogSaveOptions {
 	defaultUri?: URI;
 	saveLabel?: string;
-	filters: { [name: string]: string[] };
+	filters?: { [name: string]: string[] };
 }
 
 export interface MainThreadDiaglogsShape extends IDisposable {