/**-----------------------------------------------------------------------------------------
* Copyright © 2026 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import * as i0 from "@angular/core";
/**
 * Tracks the relationship between pinned rows and their counterparts in the main data table.
 * Use this service to find the main row index for a given pinned row data item,
 * or to find the pinned counterpart of a main row.
 *
 * The service is updated automatically by the Grid when `pinnedTopRows`, `pinnedBottomRows`,
 * or `data` changes. For reliable index resolution, pinned row data items must be
 * reference-equal to the corresponding items in the main data array.
 *
 * @hidden
 */
export declare class PinnedRowTrackingService {
    private topIndexMap;
    private bottomIndexMap;
    private mainIndexMap;
    /**
     * Updates the internal tracking maps based on the current pinned rows and main data.
     * Called automatically by the Grid when relevant inputs change.
     *
     * @param topRows - The array of data items pinned to the top.
     * @param bottomRows - The array of data items pinned to the bottom.
     * @param data - The flat main data array for the current page.
     * @param skip - The current page skip offset used to compute absolute row indices.
     */
    update(topRows: any[], bottomRows: any[], data: any[], skip: number): void;
    /**
     * Updates the internal tracking maps using a pre-built data-item-to-index map from the main view.
     * This handles grouping, sorting, and pagination correctly.
     *
     * @param topRows - The array of data items pinned to the top.
     * @param bottomRows - The array of data items pinned to the bottom.
     * @param dataToIndex - A map from data item references to their absolute row indices in the main view.
     */
    updateFromIndexMap(topRows: any[], bottomRows: any[], dataToIndex: Map<any, number>): void;
    /**
     * Returns the absolute main row index for a pinned row data item, or `-1` if not found.
     * The returned index matches the `index` property used by selection and editing services.
     */
    getMainRowIndex(dataItem: any): number;
    /**
     * Returns `true` if the given data item is currently pinned to the top or bottom.
     */
    isRowPinned(dataItem: any): boolean;
    /**
     * Returns the pin position (`'top'` or `'bottom'`) for the given data item,
     * or `null` if the item is not pinned.
     */
    getPinnedPosition(dataItem: any): 'top' | 'bottom' | null;
    /**
     * Returns the pinned counterpart for a given main row index,
     * or `null` if the main row has no pinned counterpart.
     */
    getPinnedCounterpart(mainIndex: number): {
        dataItem: any;
        position: 'top' | 'bottom';
    } | null;
    static ɵfac: i0.ɵɵFactoryDeclaration<PinnedRowTrackingService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PinnedRowTrackingService>;
}