diff --git a/src/components/slides/swiper-widget.d.ts b/src/components/slides/swiper-widget.d.ts
index 054b6491c9..3e420f829c 100644
--- a/src/components/slides/swiper-widget.d.ts
+++ b/src/components/slides/swiper-widget.d.ts
@@ -7,7 +7,7 @@ export declare class Swiper {
   isEnd: boolean;
   isBeginning: boolean;
   update(): any;
-  slideNext(runCallbacks: boolean, speed: number);
-  slidePrev(runCallbacks: boolean, speed: number);
-  slideTo(slideIndex: number, speed: number, runCallbacks: boolean);
+  slideNext(runCallbacks: boolean, speed: number): boolean;
+  slidePrev(runCallbacks: boolean, speed: number): boolean;
+  slideTo(slideIndex: number, speed: number, runCallbacks: boolean): boolean;
 }