The settings for the grouping functionality of the Grid.
The text that is displayed when the grouping area is empty. The default value is
Drag a column header and drop it here to group by that column. If set to
the user can group the Grid by dragging the column header cells. By default,
grouping is disabled.
Determines if grouping by dragging and dropping the column headers is allowed.
Determines if the group footer template is visible when the group is collapsed. The default value is