The settings for the grouping functionality of the Grid.

emptyText? string

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 true,
the user can group the Grid by dragging the column header cells. By default,
grouping is disabled.

enabled boolean

Determines if grouping by dragging and dropping the column headers is allowed.

showFooter boolean

Determines if the group footer template is visible when the group is collapsed. The default value is false.