/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { EventEmitter, ChangeDetectorRef, SimpleChanges } from '@angular/core';
import { Subscription } from "rxjs";
import { RowArgs } from "../rendering/common/row-args";
import { SelectionEvent, CellSelectionItem } from "./types";
import { ColumnComponent } from '../columns/column.component';
import { PairSet } from './pair-set';
import { ContextService } from '../common/provider.service';
import * as i0 from "@angular/core";
/**
 * @hidden
 */
export declare class Selection {
    protected ctx: ContextService;
    protected cd: ChangeDetectorRef;
    /**
     * Defines the collection that will store the selected item keys.
     * @default []
     */
    selectedKeys: any[];
    /**
     * Defines the initial shift-click range selection starting row index.
     *
     * @default 0
     */
    rangeSelectionStartRow: RowArgs;
    /**
     * Defines the initial shift-click range selection starting column index when cell selection is enabled.
     *
     * @default 0
     */
    rangeSelectionStartColumnIndex: number;
    /**
     * Defines the item key that will be stored in the `selectedKeys` collection. [See example](slug:grid_selection_persistence#by-a-custom-key).
     */
    selectionKey: string | ((context: RowArgs) => any);
    /**
     * Defines a function that determines the column key of a data cell.
     *
     * The function should return an unique value for each column.
     * By default, the Grid uses the column index as a column key.
     */
    columnKey: string | ((column: any, columnIndex: number) => any);
    /**
     * Fires when the `selectedKeys` collection has been updated.
     */
    selectedKeysChange: EventEmitter<any[]>;
    rowSelectionState: Set<any>;
    cellSelectionState: PairSet;
    /**
     * @hidden
     */
    get isCellSelectionMode(): boolean;
    protected lastSelectionState: any[];
    protected selectionChangeSubscription: Subscription;
    constructor(ctx: ContextService, cd: ChangeDetectorRef);
    ngOnChanges(changes: SimpleChanges): void;
    protected init(): void;
    /**
     * @hidden
     */
    destroy(): void;
    /**
     * @hidden
     */
    reset(): void;
    /**
     * @hidden
     */
    getItemKey(row: RowArgs): any;
    /**
     * @hidden
     */
    stateToArray(): any[];
    protected getSelectionItem(row: RowArgs, col: ColumnComponent, colIndex: number): CellSelectionItem;
    protected onSelectionChange(selection: SelectionEvent): void;
    private notifyChange;
    private setState;
    static ɵfac: i0.ɵɵFactoryDeclaration<Selection, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<Selection, "kendo-grid-selection-base", never, { "selectedKeys": { "alias": "selectedKeys"; "required": false; }; "rangeSelectionStartRow": { "alias": "rangeSelectionStartRow"; "required": false; }; "rangeSelectionStartColumnIndex": { "alias": "rangeSelectionStartColumnIndex"; "required": false; }; "selectionKey": { "alias": "kendoGridSelectBy"; "required": false; }; "columnKey": { "alias": "columnKey"; "required": false; }; }, { "selectedKeysChange": "selectedKeysChange"; }, never, never, false, never>;
}