import * as i0 from "@angular/core";
export declare class ModalService {
    private modals;
    add(modal: any): void;
    remove(id: string): void;
    open(id: string): void;
    close(id: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ModalService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ModalService>;
}