import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class ButtonControlService {
    private $botonSiguiente;
    private destroy$;
    botonSiguiente: Observable<boolean>;
    constructor();
    cambiarBotonSiguiente(input: boolean): void;
    stopSubscriptions(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ButtonControlService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ButtonControlService>;
}