From 3199e0dd9412a3716a784df0bdf5ebaaa8f84c96 Mon Sep 17 00:00:00 2001
From: Umidbek Karimov <uma.karimov@gmail.com>
Date: Tue, 10 Dec 2019 14:24:57 +0500
Subject: [PATCH] [Tooltip] Add `popperArrow` to `TooltipClassKey` (#18772)

---
 packages/material-ui/src/Tooltip/Tooltip.d.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/material-ui/src/Tooltip/Tooltip.d.ts b/packages/material-ui/src/Tooltip/Tooltip.d.ts
index 4241b22bb560b8..539c058c5f1414 100644
--- a/packages/material-ui/src/Tooltip/Tooltip.d.ts
+++ b/packages/material-ui/src/Tooltip/Tooltip.d.ts
@@ -41,6 +41,7 @@ export interface TooltipProps
 export type TooltipClassKey =
   | 'popper'
   | 'popperInteractive'
+  | 'popperArrow'
   | 'tooltip'
   | 'tooltipArrow'
   | 'arrow'