Defines TimelineGrouping options
Specifies location of the timeline axis. There are three values: left, middle, or right. Default value is 'middle'
Specifies default options of data grouping
Specifies location where the group header is placed. There are two values: 'top' or 'onAxis'. Default value is 'top'
Specifies horizontal distance between content and the timeline axis. Default value is 13
Specifies vertical distance between the previous item and the current item. Default value is 15
Specifies localization strings that can be overridden