igniteui-angular/lib/data-operations/groupby-state.interface.d.ts

Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps

import { IGroupByExpandState } from './groupby-expand-state.interface';
import { IGroupingExpression } from './grouping-expression.interface';
export interface IGroupingState {
    expressions: IGroupingExpression[];
    expansion: IGroupByExpandState[];
    defaultExpanded: boolean;
}