igniteui-react-grids/lib/igr-grouping-expression.d.ts

Ignite UI React grid components.

import { IgrSortingExpression } from "./igr-sorting-expression";
export interface IgrGroupingExpression extends IgrSortingExpression {
    groupingComparer?(a: any, b: any, currRec: any, groupRec: any): number;
}