/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { NgZone } from '@angular/core';
import { BehaviorSubject, Observable } from 'rxjs';
import * as i0 from "@angular/core";
/**
 * @hidden
 */
export declare class Change {
    key: string;
    value: any;
    constructor(key: string, value: any);
}
/**
 * @hidden
 */
export declare class ConfigurationService {
    protected ngZone: NgZone;
    changes: Observable<any>;
    store: any;
    protected source: BehaviorSubject<any>;
    constructor(ngZone: NgZone);
    protected initSource(): void;
    push(store: any): void;
    notify(change: Change): void;
    protected set(field: string, value: any): void;
    protected next(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ConfigurationService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ConfigurationService>;
}