diff --git a/src/fillers/vscode-nls.ts b/src/fillers/vscode-nls.ts
index b9566a77..51166074 100644
--- a/src/fillers/vscode-nls.ts
+++ b/src/fillers/vscode-nls.ts
@@ -5,7 +5,21 @@
 
 import {LocalizeInfo, LocalizeFunc, Options, LoadFunc} from 'vscode-nls';
 
-export {LocalizeInfo, LocalizeFunc, Options, LoadFunc};
+export interface Options {
+	locale?: string;
+	cacheLanguageResolution?: boolean;
+}
+export interface LocalizeInfo {
+	key: string;
+	comment: string[];
+}
+export interface LocalizeFunc {
+	(info: LocalizeInfo, message: string, ...args: any[]): string;
+	(key: string, message: string, ...args: any[]): string;
+}
+export interface LoadFunc {
+	(file?: string): LocalizeFunc;
+}
 
 function format(message: string, args: any[]): string {
 	let result:string;
@@ -26,9 +40,9 @@ function localize(key: string | LocalizeInfo, message: string, ...args: any[]):
 }
 
 export function loadMessageBundle(file?: string): LocalizeFunc {
-    return localize;
+	return localize;
 }
 
 export function config(opt?: Options | string): LoadFunc {
-    return loadMessageBundle;
+	return loadMessageBundle;
 }
\ No newline at end of file