How to use the @jupyter-widgets/controls.ImageModel function in @jupyter-widgets/controls

//  - `_view_name`
//  - `_view_module`
//  - `_view_module_version`
//
//  - `_model_name`
//  - `_model_module`
//  - `_model_module_version`
//
//  when different from the base class.

// When serialiazing the entire widget state for embedding, only values that
// differ from the defaults will be specified.

var version = require('../package.json').version;

var InnotaterImagePadModel = controls.ImageModel.extend({
	defaults: _.extend(controls.ImageModel.prototype.defaults(), {
	})
});


// Custom View. Renders the widget model.
var InnotaterImagePadView = widgets.DOMWidgetView.extend({

	InnotaterImagePadView: function() {
		this.imageLoaded = false;
		InnotaterImagePadView.__super__.apply(this, arguments);
	},

	render: function () {
		/**
		 * Called when view is rendered.

//  - `_view_module`
//  - `_view_module_version`
//
//  - `_model_name`
//  - `_model_module`
//  - `_model_module_version`
//
//  when different from the base class.

// When serialiazing the entire widget state for embedding, only values that
// differ from the defaults will be specified.

var version = require('../package.json').version;

var InnotaterImagePadModel = controls.ImageModel.extend({
	defaults: _.extend(controls.ImageModel.prototype.defaults(), {
	})
});


// Custom View. Renders the widget model.
var InnotaterImagePadView = widgets.DOMWidgetView.extend({

	InnotaterImagePadView: function() {
		this.imageLoaded = false;
		InnotaterImagePadView.__super__.apply(this, arguments);
	},

	render: function () {
		/**
		 * Called when view is rendered.
		 */