From f3d6abbc1beeafe3b5e7f473d70d0b8ef4c79bc8 Mon Sep 17 00:00:00 2001
From: Liam DeBeasi <liamdebeasi@users.noreply.github.com>
Date: Tue, 29 Jun 2021 16:36:51 -0400
Subject: [PATCH] fix(animation): typescript interface has correct return value
 for progress methods (#23536)

---
 core/src/utils/animation/animation-interface.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/src/utils/animation/animation-interface.ts b/core/src/utils/animation/animation-interface.ts
index 00c50d5099..6c58d3681c 100644
--- a/core/src/utils/animation/animation-interface.ts
+++ b/core/src/utils/animation/animation-interface.ts
@@ -29,9 +29,9 @@ export interface Animation {
    */
   destroy(clearStyleSheets?: boolean): void;
 
-  progressStart(forceLinearEasing: boolean, step?: number): void;
-  progressStep(step: number): void;
-  progressEnd(playTo: 0 | 1 | undefined, step: number, dur?: number): void;
+  progressStart(forceLinearEasing?: boolean, step?: number): Animation;
+  progressStep(step: number): Animation;
+  progressEnd(playTo: 0 | 1 | undefined, step: number, dur?: number): Animation;
 
   from(property: string, value: any): Animation;
   to(property: string, value: any): Animation;