import { Signal } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class QuickSearchStateService {
    private readonly _$modalOpen;
    get $modalOpen(): Signal<boolean>;
    private readonly _paramsToSave$;
    readonly paramsToSave$: Observable<{
        [key: string]: string;
    }>;
    openModal(params?: {
        [key: string]: string;
    }): void;
    closeModal(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<QuickSearchStateService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<QuickSearchStateService>;
}
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