import * as i0 from "@angular/core";
export declare class ElementTrackerService {
    private elementIds;
    registerElement(id: string): void;
    unregisterElement(id: string): void;
    getAllElementIds(): string[];
    clear(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ElementTrackerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ElementTrackerService>;
}