Make userHeaders optional

ScriptSmith · ScriptSmith · commit 2b4e47870314 · 2019-09-03T21:58:09.000+10:00
diff --git a/index.d.ts b/index.d.ts
@@ -20,7 +20,7 @@ interface Options {
 declare class FormData extends stream.Readable {
   constructor(options?: Options);
   append(key: string, value: any, options?: FormData.AppendOptions | string): void;
-  getHeaders(userHeaders: FormData.Headers): FormData.Headers;
+  getHeaders(userHeaders?: FormData.Headers): FormData.Headers;
   submit(
     params: string | FormData.SubmitOptions,
     callback?: (error: Error | null, response: http.IncomingMessage) => void
