From f5bcc12ffbec6f1f0be1e81a6d677b0e2c456e7e Mon Sep 17 00:00:00 2001
From: Brandon Faulkner <12897328+bfaulk96@users.noreply.github.com>
Date: Tue, 5 Oct 2021 15:16:14 -0400
Subject: [PATCH 1/3] Expand Headers types

---
 index.d.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index a71d03e3ed..b4463d2b50 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,5 +1,5 @@
 export interface AxiosTransformer {
-  (data: any, headers?: Record<string, string>): any;
+  (data: any, headers?: RequestHeaders): any;
 }
 
 export interface AxiosAdapter {
@@ -21,6 +21,9 @@ export interface AxiosProxyConfig {
   protocol?: string;
 }
 
+export type RequestHeaders = Record<string, string | number | boolean>
+export type ResponseHeaders = Record<string, string>
+
 export type Method =
   | 'get' | 'GET'
   | 'delete' | 'DELETE'
@@ -53,7 +56,7 @@ export interface AxiosRequestConfig<T = any> {
   baseURL?: string;
   transformRequest?: AxiosTransformer | AxiosTransformer[];
   transformResponse?: AxiosTransformer | AxiosTransformer[];
-  headers?: Record<string, string>;
+  headers?: RequestHeaders;
   params?: any;
   paramsSerializer?: (params: any) => string;
   data?: T;
@@ -85,7 +88,7 @@ export interface AxiosResponse<T = never>  {
   data: T;
   status: number;
   statusText: string;
-  headers: Record<string, string>;
+  headers: ResponseHeaders;
   config: AxiosRequestConfig<T>;
   request?: any;
 }

From 9afcbd8eac674d1ceeef1c119365eda3bfd4aee2 Mon Sep 17 00:00:00 2001
From: Brandon Faulkner <12897328+bfaulk96@users.noreply.github.com>
Date: Wed, 6 Oct 2021 14:20:04 -0400
Subject: [PATCH 2/3] Add undefined to allowed types

---
 index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index bf297a45d5..a199811ba3 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -21,7 +21,7 @@ export interface AxiosProxyConfig {
   protocol?: string;
 }
 
-export type RequestHeaders = Record<string, string | number | boolean>
+export type RequestHeaders = Record<string, string | number | boolean | undefined>
 export type ResponseHeaders = Record<string, string>
 
 export type Method =

From d1f2d69616a6d09ce3f96e6fd04a9e56f8a02914 Mon Sep 17 00:00:00 2001
From: Brandon Faulkner <12897328+bfaulk96@users.noreply.github.com>
Date: Tue, 26 Oct 2021 15:45:04 -0400
Subject: [PATCH 3/3] Add semicolon

---
 index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index 4829a44753..20406719dd 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,6 +1,6 @@
 // TypeScript Version: 3.0
 
-export type AxiosRequestHeaders = Record<string, string | number | boolean>
+export type AxiosRequestHeaders = Record<string, string | number | boolean>;
 
 export type AxiosResponseHeaders = Record<string, string> & {
   "set-cookie"?: string[]