/**
                             * This adds the functionality of swiping to go to the previous/ image in the
                             * viewer. Will be mixed into ImageViewer automatically when loaded.
                             *
                             * @module aui-image-viewer-swipe
                             */
                            
                            function ImageViewerSwipe() {}
                            
                            ImageViewerSwipe.prototype = {
                                WIDGET_INDEX_ATTRIBUTE: 'currentIndex',
                                WIDGET_ITEM_SELECTOR: '.image-viewer-base-image-container'
                            };
                            
                            ImageViewerSwipe.ATTRS = {
                                /**
                                 * Turns the swipe interaction on/off.
                                 *
                                 * @attribute swipe
                                 * @type {Object|Boolean}
                                 */
                                swipe: {
                                    getter: function(value) {
                                        return A.merge(value, {
                                            boundingBox: this.get('contentBox').one('.image-viewer-base-image-list'),
                                            contentBox: this.get('contentBox').one('.image-viewer-base-image-list-inner')
                                        });
                                    }
                                }
                            };
                            
                            A.Base.mix(A.ImageViewerBase, [A.WidgetSwipe, ImageViewerSwipe]);