/**-----------------------------------------------------------------------------------------
* Copyright © 2026 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { GridItem } from '../../data/grid-item.interface';
/**
 * @hidden
 * Represents the range of a group within the flat data array.
 */
export interface GroupRange {
    headerIndex: number;
    footerIndex: number | null;
    firstChildIndex: number;
    lastChildIndex: number;
    level: number;
}
/**
 * @hidden
 * Pairs a GridItem with its flat-data index.
 */
export interface StickyGroupItem {
    item: GridItem;
    flatIndex: number;
}