import * as i0 from "@angular/core";
export declare class IdService {
    ids: string[];
    generate(): string;
    remove(id: string): void;
    private generator;
    private idExists;
    private S4;
    static ɵfac: i0.ɵɵFactoryDeclaration<IdService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<IdService>;
}