/**-----------------------------------------------------------------------------------------
* Copyright © 2026 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { Subject } from "rxjs";
import * as i0 from "@angular/core";
/**
 * @hidden
 */
export declare class SelectionService {
    readonly changes: Subject<{
        dataItem: any;
        index: string;
    }>;
    private firstIndex;
    isFirstSelected(index: string): boolean;
    setFirstSelected(index: string, selected: boolean): void;
    select(index: string, dataItem: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectionService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SelectionService>;
}