message: Update VideoHelper for v9.245
diff: @@ -65,7 +65,8 @@ declare class VideoHelper {
  * The thumbnail is cached using the video file path or URL.
  * @param src - The source video URL
  * @param options - Thumbnail creation options, including width and height
  - * @returns The created and cached base64 thumbnail image
  + * @returns The created and cached base64 thumbnail image, or a placeholder image if the canvas is
  + * disabled and no thumbnail can be generated.
  */
  createThumbnail(src: string, options: ImageHelper.CompositeOptions): Promise<string>;
  }
  