From e314904d3b77d47e0ca49908ebf1539def81b6ce Mon Sep 17 00:00:00 2001
From: Willian Agostini <willian.agostini@fleetcor.com.br>
Date: Thu, 15 Sep 2022 10:15:09 -0300
Subject: [PATCH 1/2] test: Failed test

Param indexes from formSerializer and paramsSerializer receiving null

Closes #4959
---
 test/typescript/axios.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/typescript/axios.ts b/test/typescript/axios.ts
index 4ff50cb7a9..c19abfdf0b 100644
--- a/test/typescript/axios.ts
+++ b/test/typescript/axios.ts
@@ -270,6 +270,17 @@ instance1.defaults.timeout = 2500;
 
 axios.create({ headers: { foo: 'bar' } });
 axios.create({ headers: { common: { foo: 'bar' } } });
+axios.create({
+  headers: {
+    'Content-Type': 'application/json',
+  },
+  formSerializer: {
+    indexes: null,
+  },
+  paramsSerializer: {
+    indexes: null,
+  },
+});
 
 // Interceptors
 

From 059d200444babb9bba500361e6af4375a1f1205f Mon Sep 17 00:00:00 2001
From: Willian Agostini <willian.agostini@fleetcor.com.br>
Date: Thu, 15 Sep 2022 10:16:17 -0300
Subject: [PATCH 2/2] fix: Allow null to indexes in SerializerOptions

Closes #4959
---
 index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index ba39648842..2c56a4c6e7 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -170,7 +170,7 @@ export interface SerializerOptions {
   visitor?: SerializerVisitor;
   dots?: boolean;
   metaTokens?: boolean;
-  indexes?: boolean;
+  indexes?: boolean | null;
 }
 
 // tslint:disable-next-line