Merge pull request #3066 from abichinger/master

Update type definition of `AnimationItem.resize`
diff --git a/index.d.ts b/index.d.ts
index a018fbc..bbab371 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -84,7 +84,7 @@
     resetSegments(forceFlag: boolean): void;
     hide(): void;
     show(): void;
-    resize(): void;
+    resize(width?: number, height?: number): void;
     setSpeed(speed: number): void;
     setDirection(direction: AnimationDirection): void;
     setLoop(isLooping: boolean): void;