public void setThumbnailWidth(Integer thumbnailWidth) {
        this.thumbnailWidth = thumbnailWidth;
    }
Width of each thumbnail within each tile image, in pixels. Default is 312. Must be divisible by 8.

@param thumbnailWidth
       Width of each thumbnail within each tile image, in pixels. Default is 312. Must be divisible by 8.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/DashIsoImageBasedTrickPlaySettings.java