Object containing parameters for the getter.
The id of each row in the grouping criteria.
Expand or collapse a row children.
the ID of the row to expand or collapse.
A boolean indicating if the row must be expanded or collapsed.
Moves a row from its original position to the position given by targetIndex
.
The row id
The new position (0-based).
Gets the rows of a grouping criteria. Only contains the rows provided to the grid, not the rows automatically generated by it.