diff --git a/index.d.cts b/index.d.cts
index a50a1a5110..5dcbc38098 100644
--- a/index.d.cts
+++ b/index.d.cts
@@ -4,13 +4,9 @@ interface RawAxiosHeaders {
   [key: string]: AxiosHeaderValue;
 }
 
-type MethodsHeaders = {
+type MethodsHeaders = Partial<{
   [Key in axios.Method as Lowercase<Key>]: AxiosHeaders;
-};
-
-interface CommonHeaders  {
-  common: AxiosHeaders;
-}
+} & {common: AxiosHeaders}>;
 
 type AxiosHeaderMatcher = (this: AxiosHeaders, value: string, name: string, headers: RawAxiosHeaders) => boolean;
 
@@ -79,12 +75,12 @@ declare class AxiosError<T = unknown, D = any> extends Error {
   constructor(
       message?: string,
       code?: string,
-      config?: axios.AxiosRequestConfig<D>,
+      config?: axios.InternalAxiosRequestConfig<D>,
       request?: any,
       response?: axios.AxiosResponse<T, D>
   );
 
-  config?: axios.AxiosRequestConfig<D>;
+  config?: axios.InternalAxiosRequestConfig<D>;
   code?: string;
   request?: any;
   response?: axios.AxiosResponse<T, D>;
@@ -110,24 +106,24 @@ declare class CanceledError<T> extends AxiosError<T> {
 }
 
 declare class Axios {
-  constructor(config?: axios.RawAxiosRequestConfig);
+  constructor(config?: axios.AxiosRequestConfig);
   defaults: axios.AxiosDefaults;
   interceptors: {
-    request: axios.AxiosInterceptorManager<axios.AxiosRequestConfig>;
+    request: axios.AxiosInterceptorManager<axios.InternalAxiosRequestConfig>;
     response: axios.AxiosInterceptorManager<axios.AxiosResponse>;
   };
-  getUri(config?: axios.RawAxiosRequestConfig): string;
-  request<T = any, R = axios.AxiosResponse<T>, D = any>(config: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  get<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  delete<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  head<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  options<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  post<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  put<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  patch<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  postForm<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  putForm<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
-  patchForm<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.RawAxiosRequestConfig<D>): Promise<R>;
+  getUri(config?: axios.AxiosRequestConfig): string;
+  request<T = any, R = axios.AxiosResponse<T>, D = any>(config: axios.AxiosRequestConfig<D>): Promise<R>;
+  get<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  delete<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  head<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  options<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  post<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  put<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  patch<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  postForm<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  putForm<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.AxiosRequestConfig<D>): Promise<R>;
+  patchForm<T = any, R = axios.AxiosResponse<T>, D = any>(url: string, data?: D, config?: axios.AxiosRequestConfig<D>): Promise<R>;
 }
 
 declare enum HttpStatusCode {
@@ -203,30 +199,34 @@ declare namespace axios {
 
   type CommonRequestHeadersList = 'Accept' | 'Content-Type' | 'Content-Length' | 'User-Agent'| 'Content-Encoding';
 
-  type RawCommonRequestHeaders = {
+  type RawAxiosRequestHeaders = Partial<RawAxiosHeaders & {
     [Key in CommonRequestHeadersList]: AxiosHeaderValue;
-  };
+  }>;
 
-  type RawAxiosRequestHeaders = Partial<RawAxiosHeaders & MethodsHeaders & CommonHeaders>;
+  type AxiosRequestHeaders = RawAxiosRequestHeaders & AxiosHeaders;
 
-  type AxiosRequestHeaders = Partial<RawCommonRequestHeaders & RawAxiosHeaders> & AxiosHeaders;
+  type CommonResponseHeadersList = 'Server' | 'Content-Type' | 'Content-Length' | 'Cache-Control'| 'Content-Encoding';
 
-  type RawAxiosResponseHeaders = Partial<Record<string, string> & {
-    "set-cookie"?: string[]
-  }>;
+  type RawCommonResponseHeaders = {
+    [Key in CommonResponseHeadersList]: AxiosHeaderValue;
+  } & {
+    "set-cookie": string[];
+  };
+
+  type RawAxiosResponseHeaders = Partial<RawAxiosHeaders & RawCommonResponseHeaders>;
 
   type AxiosResponseHeaders = RawAxiosResponseHeaders & AxiosHeaders;
 
   interface AxiosRequestTransformer {
-    (this: AxiosRequestConfig, data: any, headers: AxiosRequestHeaders): any;
+    (this: InternalAxiosRequestConfig, data: any, headers: AxiosRequestHeaders): any;
   }
 
   interface AxiosResponseTransformer {
-    (this: AxiosRequestConfig, data: any, headers: AxiosResponseHeaders, status?: number): any;
+    (this: InternalAxiosRequestConfig, data: any, headers: AxiosResponseHeaders, status?: number): any;
   }
 
   interface AxiosAdapter {
-    (config: AxiosRequestConfig): AxiosPromise;
+    (config: InternalAxiosRequestConfig): AxiosPromise;
   }
 
   interface AxiosBasicCredentials {
@@ -355,13 +355,13 @@ declare namespace axios {
 
   type AxiosAdapterConfig = AxiosAdapter | AxiosAdapterName;
 
-  interface RawAxiosRequestConfig<D = any> {
+  interface AxiosRequestConfig<D = any> {
     url?: string;
     method?: Method | string;
     baseURL?: string;
     transformRequest?: AxiosRequestTransformer | AxiosRequestTransformer[];
     transformResponse?: AxiosResponseTransformer | AxiosResponseTransformer[];
-    headers?: RawAxiosRequestHeaders | AxiosHeaders;
+    headers?: (RawAxiosRequestHeaders & MethodsHeaders) | AxiosHeaders;
     params?: any;
     paramsSerializer?: ParamsSerializerOptions;
     data?: D;
@@ -397,7 +397,10 @@ declare namespace axios {
     formSerializer?: FormSerializerOptions;
   }
 
-  interface AxiosRequestConfig<D = any> extends RawAxiosRequestConfig {
+  // Alias
+  type RawAxiosRequestConfig<D = any> = AxiosRequestConfig<D>;
+
+  interface InternalAxiosRequestConfig<D = any> extends AxiosRequestConfig {
     headers: AxiosRequestHeaders;
   }
 
@@ -415,11 +418,11 @@ declare namespace axios {
     unlink?: RawAxiosRequestHeaders;
   }
 
-  interface AxiosDefaults<D = any> extends Omit<RawAxiosRequestConfig<D>, 'headers'> {
+  interface AxiosDefaults<D = any> extends Omit<AxiosRequestConfig<D>, 'headers'> {
     headers: HeadersDefaults;
   }
 
-  interface CreateAxiosDefaults<D = any> extends Omit<RawAxiosRequestConfig<D>, 'headers'> {
+  interface CreateAxiosDefaults<D = any> extends Omit<AxiosRequestConfig<D>, 'headers'> {
     headers?: RawAxiosRequestHeaders | AxiosHeaders | Partial<HeadersDefaults>;
   }
 
@@ -428,7 +431,7 @@ declare namespace axios {
     status: number;
     statusText: string;
     headers: RawAxiosResponseHeaders | AxiosResponseHeaders;
-    config: AxiosRequestConfig<D>;
+    config: InternalAxiosRequestConfig<D>;
     request?: any;
   }
 
@@ -443,7 +446,7 @@ declare namespace axios {
   }
 
   interface Canceler {
-    (message?: string, config?: RawAxiosRequestConfig, request?: any): void;
+    (message?: string, config?: AxiosRequestConfig, request?: any): void;
   }
 
   interface CancelTokenStatic {
@@ -464,7 +467,7 @@ declare namespace axios {
 
   interface AxiosInterceptorOptions {
     synchronous?: boolean;
-    runWhen?: (config: AxiosRequestConfig) => boolean;
+    runWhen?: (config: InternalAxiosRequestConfig) => boolean;
   }
 
   interface AxiosInterceptorManager<V> {
@@ -474,8 +477,8 @@ declare namespace axios {
   }
 
   interface AxiosInstance extends Axios {
-    <T = any, R = AxiosResponse<T>, D = any>(config: RawAxiosRequestConfig<D>): Promise<R>;
-    <T = any, R = AxiosResponse<T>, D = any>(url: string, config?: RawAxiosRequestConfig<D>): Promise<R>;
+    <T = any, R = AxiosResponse<T>, D = any>(config: AxiosRequestConfig<D>): Promise<R>;
+    <T = any, R = AxiosResponse<T>, D = any>(url: string, config?: AxiosRequestConfig<D>): Promise<R>;
 
     defaults: Omit<AxiosDefaults, 'headers'> & {
       headers: HeadersDefaults & {
diff --git a/index.d.ts b/index.d.ts
index ed6a19bad8..4cde8ff07f 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -5,13 +5,9 @@ interface RawAxiosHeaders {
   [key: string]: AxiosHeaderValue;
 }
 
-type MethodsHeaders = {
+type MethodsHeaders = Partial<{
   [Key in Method as Lowercase<Key>]: AxiosHeaders;
-};
-
-interface CommonHeaders {
-  common: AxiosHeaders;
-}
+} & {common: AxiosHeaders}>;
 
 type AxiosHeaderMatcher = (this: AxiosHeaders, value: string, name: string, headers: RawAxiosHeaders) => boolean;
 
@@ -78,30 +74,34 @@ export class AxiosHeaders {
 
 type CommonRequestHeadersList = 'Accept' | 'Content-Type' | 'Content-Length' | 'User-Agent'| 'Content-Encoding';
 
-type RawCommonRequestHeaders = {
+export type RawAxiosRequestHeaders = Partial<RawAxiosHeaders & {
   [Key in CommonRequestHeadersList]: AxiosHeaderValue;
-};
+}>;
 
-export type RawAxiosRequestHeaders = Partial<RawAxiosHeaders & MethodsHeaders & CommonHeaders>;
+export type AxiosRequestHeaders = RawAxiosRequestHeaders & AxiosHeaders;
 
-export type AxiosRequestHeaders = Partial<RawCommonRequestHeaders & RawAxiosHeaders> & AxiosHeaders;
+type CommonResponseHeadersList = 'Server' | 'Content-Type' | 'Content-Length' | 'Cache-Control'| 'Content-Encoding';
 
-export type RawAxiosResponseHeaders = Partial<Record<string, string> & {
-  "set-cookie"?: string[]
-}>;
+type RawCommonResponseHeaders = {
+  [Key in CommonResponseHeadersList]: AxiosHeaderValue;
+} & {
+  "set-cookie": string[];
+};
+
+export type RawAxiosResponseHeaders = Partial<RawAxiosHeaders & RawCommonResponseHeaders>;
 
 export type AxiosResponseHeaders = RawAxiosResponseHeaders & AxiosHeaders;
 
 export interface AxiosRequestTransformer {
-  (this: AxiosRequestConfig, data: any, headers: AxiosRequestHeaders): any;
+  (this: InternalAxiosRequestConfig, data: any, headers: AxiosRequestHeaders): any;
 }
 
 export interface AxiosResponseTransformer {
-  (this: AxiosRequestConfig, data: any, headers: AxiosResponseHeaders, status?: number): any;
+  (this: InternalAxiosRequestConfig, data: any, headers: AxiosResponseHeaders, status?: number): any;
 }
 
 export interface AxiosAdapter {
-  (config: AxiosRequestConfig): AxiosPromise;
+  (config: InternalAxiosRequestConfig): AxiosPromise;
 }
 
 export interface AxiosBasicCredentials {
@@ -296,13 +296,13 @@ type AxiosAdapterName = 'xhr' | 'http' | string;
 
 type AxiosAdapterConfig = AxiosAdapter | AxiosAdapterName;
 
-export interface RawAxiosRequestConfig<D = any> {
+export interface AxiosRequestConfig<D = any> {
   url?: string;
   method?: Method | string;
   baseURL?: string;
   transformRequest?: AxiosRequestTransformer | AxiosRequestTransformer[];
   transformResponse?: AxiosResponseTransformer | AxiosResponseTransformer[];
-  headers?: RawAxiosRequestHeaders | AxiosHeaders;
+  headers?: (RawAxiosRequestHeaders & MethodsHeaders) | AxiosHeaders;
   params?: any;
   paramsSerializer?: ParamsSerializerOptions;
   data?: D;
@@ -338,7 +338,10 @@ export interface RawAxiosRequestConfig<D = any> {
   formSerializer?: FormSerializerOptions;
 }
 
-export interface AxiosRequestConfig<D = any> extends RawAxiosRequestConfig<D> {
+// Alias
+export type RawAxiosRequestConfig<D = any> = AxiosRequestConfig<D>;
+
+export interface InternalAxiosRequestConfig<D = any> extends AxiosRequestConfig<D> {
   headers: AxiosRequestHeaders;
 }
 
@@ -356,11 +359,11 @@ export interface HeadersDefaults {
   unlink?: RawAxiosRequestHeaders;
 }
 
-export interface AxiosDefaults<D = any> extends Omit<RawAxiosRequestConfig<D>, 'headers'> {
+export interface AxiosDefaults<D = any> extends Omit<AxiosRequestConfig<D>, 'headers'> {
   headers: HeadersDefaults;
 }
 
-export interface CreateAxiosDefaults<D = any> extends Omit<RawAxiosRequestConfig<D>, 'headers'> {
+export interface CreateAxiosDefaults<D = any> extends Omit<AxiosRequestConfig<D>, 'headers'> {
   headers?: RawAxiosRequestHeaders | AxiosHeaders | Partial<HeadersDefaults>;
 }
 
@@ -369,7 +372,7 @@ export interface AxiosResponse<T = any, D = any> {
   status: number;
   statusText: string;
   headers: RawAxiosResponseHeaders | AxiosResponseHeaders;
-  config: AxiosRequestConfig<D>;
+  config: InternalAxiosRequestConfig<D>;
   request?: any;
 }
 
@@ -377,12 +380,12 @@ export class AxiosError<T = unknown, D = any> extends Error {
   constructor(
       message?: string,
       code?: string,
-      config?: AxiosRequestConfig<D>,
+      config?: InternalAxiosRequestConfig<D>,
       request?: any,
       response?: AxiosResponse<T, D>
   );
 
-  config?: AxiosRequestConfig<D>;
+  config?: InternalAxiosRequestConfig<D>;
   code?: string;
   request?: any;
   response?: AxiosResponse<T, D>;
@@ -393,7 +396,7 @@ export class AxiosError<T = unknown, D = any> extends Error {
   static from<T = unknown, D = any>(
     error: Error | unknown,
     code?: string,
-    config?: AxiosRequestConfig<D>,
+    config?: InternalAxiosRequestConfig<D>,
     request?: any,
     response?: AxiosResponse<T, D>,
     customProps?: object,
@@ -426,7 +429,7 @@ export interface Cancel {
 }
 
 export interface Canceler {
-  (message?: string, config?: RawAxiosRequestConfig, request?: any): void;
+  (message?: string, config?: AxiosRequestConfig, request?: any): void;
 }
 
 export interface CancelTokenStatic {
@@ -447,7 +450,7 @@ export interface CancelTokenSource {
 
 export interface AxiosInterceptorOptions {
   synchronous?: boolean;
-  runWhen?: (config: AxiosRequestConfig) => boolean;
+  runWhen?: (config: InternalAxiosRequestConfig) => boolean;
 }
 
 export interface AxiosInterceptorManager<V> {
@@ -457,29 +460,29 @@ export interface AxiosInterceptorManager<V> {
 }
 
 export class Axios {
-  constructor(config?: RawAxiosRequestConfig);
+  constructor(config?: AxiosRequestConfig);
   defaults: AxiosDefaults;
   interceptors: {
-    request: AxiosInterceptorManager<AxiosRequestConfig>;
+    request: AxiosInterceptorManager<InternalAxiosRequestConfig>;
     response: AxiosInterceptorManager<AxiosResponse>;
   };
-  getUri(config?: RawAxiosRequestConfig): string;
-  request<T = any, R = AxiosResponse<T>, D = any>(config: RawAxiosRequestConfig<D>): Promise<R>;
-  get<T = any, R = AxiosResponse<T>, D = any>(url: string, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  delete<T = any, R = AxiosResponse<T>, D = any>(url: string, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  head<T = any, R = AxiosResponse<T>, D = any>(url: string, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  options<T = any, R = AxiosResponse<T>, D = any>(url: string, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  post<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  put<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  patch<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  postForm<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  putForm<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: RawAxiosRequestConfig<D>): Promise<R>;
-  patchForm<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: RawAxiosRequestConfig<D>): Promise<R>;
+  getUri(config?: AxiosRequestConfig): string;
+  request<T = any, R = AxiosResponse<T>, D = any>(config: AxiosRequestConfig<D>): Promise<R>;
+  get<T = any, R = AxiosResponse<T>, D = any>(url: string, config?: AxiosRequestConfig<D>): Promise<R>;
+  delete<T = any, R = AxiosResponse<T>, D = any>(url: string, config?: AxiosRequestConfig<D>): Promise<R>;
+  head<T = any, R = AxiosResponse<T>, D = any>(url: string, config?: AxiosRequestConfig<D>): Promise<R>;
+  options<T = any, R = AxiosResponse<T>, D = any>(url: string, config?: AxiosRequestConfig<D>): Promise<R>;
+  post<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: AxiosRequestConfig<D>): Promise<R>;
+  put<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: AxiosRequestConfig<D>): Promise<R>;
+  patch<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: AxiosRequestConfig<D>): Promise<R>;
+  postForm<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: AxiosRequestConfig<D>): Promise<R>;
+  putForm<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: AxiosRequestConfig<D>): Promise<R>;
+  patchForm<T = any, R = AxiosResponse<T>, D = any>(url: string, data?: D, config?: AxiosRequestConfig<D>): Promise<R>;
 }
 
 export interface AxiosInstance extends Axios {
-  <T = any, R = AxiosResponse<T>, D = any>(config: RawAxiosRequestConfig<D>): Promise<R>;
-  <T = any, R = AxiosResponse<T>, D = any>(url: string, config?: RawAxiosRequestConfig<D>): Promise<R>;
+  <T = any, R = AxiosResponse<T>, D = any>(config: AxiosRequestConfig<D>): Promise<R>;
+  <T = any, R = AxiosResponse<T>, D = any>(url: string, config?: AxiosRequestConfig<D>): Promise<R>;
 
   defaults: Omit<AxiosDefaults, 'headers'> & {
     headers: HeadersDefaults & {
diff --git a/test/module/typings/cjs/index.ts b/test/module/typings/cjs/index.ts
index 322444729f..3a270cfe51 100644
--- a/test/module/typings/cjs/index.ts
+++ b/test/module/typings/cjs/index.ts
@@ -1,6 +1,6 @@
 import axios = require('axios');
 
-const config: axios.RawAxiosRequestConfig = {
+const config: axios.AxiosRequestConfig = {
   url: '/user',
   method: 'get',
   baseURL: 'https://api.example.com/',
@@ -38,11 +38,11 @@ const config: axios.RawAxiosRequestConfig = {
   cancelToken: new axios.CancelToken((cancel: axios.Canceler) => {})
 };
 
-const nullValidateStatusConfig: axios.RawAxiosRequestConfig = {
+const nullValidateStatusConfig: axios.AxiosRequestConfig = {
   validateStatus: null
 };
 
-const undefinedValidateStatusConfig: axios.RawAxiosRequestConfig = {
+const undefinedValidateStatusConfig: axios.AxiosRequestConfig = {
   validateStatus: undefined
 };
 
@@ -276,19 +276,19 @@ axios.create({
 // Interceptors
 
 const requestInterceptorId: number = axios.interceptors.request.use(
-    (config: axios.AxiosRequestConfig) => config,
+    (config: axios.InternalAxiosRequestConfig) => config,
     (error: any) => Promise.reject(error)
 );
 
 axios.interceptors.request.eject(requestInterceptorId);
 
 axios.interceptors.request.use(
-    (config: axios.AxiosRequestConfig) => Promise.resolve(config),
+    (config: axios.InternalAxiosRequestConfig) => Promise.resolve(config),
     (error: any) => Promise.reject(error)
 );
 
-axios.interceptors.request.use((config: axios.AxiosRequestConfig) => config);
-axios.interceptors.request.use((config: axios.AxiosRequestConfig) => Promise.resolve(config));
+axios.interceptors.request.use((config: axios.InternalAxiosRequestConfig) => config);
+axios.interceptors.request.use((config: axios.InternalAxiosRequestConfig) => Promise.resolve(config));
 
 const responseInterceptorId: number = axios.interceptors.response.use(
     (response: axios.AxiosResponse) => response,
@@ -302,6 +302,13 @@ axios.interceptors.response.use(
     (error: any) => Promise.reject(error)
 );
 
+axios.interceptors.request.use(req => {
+  // https://github.com/axios/axios/issues/5415
+  req.headers.set('foo', 'bar');
+  req.headers['Content-Type'] = 123;
+  return req;
+});
+
 const voidRequestInterceptorId = axios.interceptors.request.use(
     // @ts-expect-error -- Must return an axios.AxiosRequestConfig (or throw)
     (_response) => {},
@@ -323,7 +330,7 @@ axios.interceptors.response.clear();
 
 // Adapters
 
-const adapter: axios.AxiosAdapter = (config: axios.AxiosRequestConfig) => {
+const adapter: axios.AxiosAdapter = (config: axios.InternalAxiosRequestConfig) => {
   const response: axios.AxiosResponse = {
     data: { foo: 'bar' },
     status: 200,
diff --git a/test/module/typings/esm/index.ts b/test/module/typings/esm/index.ts
index 6738aef2ac..c2e29da45e 100644
--- a/test/module/typings/esm/index.ts
+++ b/test/module/typings/esm/index.ts
@@ -1,5 +1,5 @@
 import axios, {
-  RawAxiosRequestConfig,
+  InternalAxiosRequestConfig,
   AxiosRequestConfig,
   AxiosHeaders,
   AxiosRequestHeaders,
@@ -22,7 +22,7 @@ import axios, {
   spread
 } from 'axios';
 
-const config: RawAxiosRequestConfig = {
+const config: AxiosRequestConfig = {
   url: '/user',
   method: 'get',
   baseURL: 'https://api.example.com/',
@@ -60,11 +60,11 @@ const config: RawAxiosRequestConfig = {
   cancelToken: new axios.CancelToken((cancel: Canceler) => {})
 };
 
-const nullValidateStatusConfig: RawAxiosRequestConfig = {
+const nullValidateStatusConfig: AxiosRequestConfig = {
   validateStatus: null
 };
 
-const undefinedValidateStatusConfig: RawAxiosRequestConfig = {
+const undefinedValidateStatusConfig: AxiosRequestConfig = {
   validateStatus: undefined
 };
 
@@ -515,7 +515,7 @@ axios.get('/user', {
 
 // issue #5034
 
-function getRequestConfig1(options: RawAxiosRequestConfig): RawAxiosRequestConfig {
+function getRequestConfig1(options: AxiosRequestConfig): AxiosRequestConfig {
   return {
     ...options,
     headers: {
@@ -525,7 +525,7 @@ function getRequestConfig1(options: RawAxiosRequestConfig): RawAxiosRequestConfi
   };
 }
 
-function getRequestConfig2(options: RawAxiosRequestConfig): RawAxiosRequestConfig {
+function getRequestConfig2(options: AxiosRequestConfig): AxiosRequestConfig {
   return {
     ...options,
     headers: {
@@ -609,7 +609,7 @@ for (const [header, value] of headers) {
         config.headers.foo = "1";
         config.headers.set('bar', '2');
         config.headers.set({myHeader: "myValue"})
-        config.headers = new axios.AxiosHeaders({myHeader: "myValue"});
+        config.headers = new AxiosHeaders({myHeader: "myValue"});
         config.headers = {...config.headers} as AxiosRequestHeaders;
         return config;
       },