I'm trying to call a Draggable.onDrag() inside a mousewheel handler like so:         let Slider = Draggable.create(document.createElement('div'), {         type: "x",         throwProps: true,         trigger: wrapper,         onDrag: updateProgressReverse,         onThrowUpdate: updateProgressReverse       })       Hamster(wrapper).wheel((event, delta, deltaX, deltaY) => {         Slider.onDrag()       }) But I get the error 'Slider.onDrag is not a function. Is it possible to ac