import * as i0 from "@angular/core";
export declare class TooltipContextService {
    private dropdownRectSubject;
    dropdownRect$: import("rxjs").Observable<DOMRect | null>;
    setDropdownRect(rect: DOMRect): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TooltipContextService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TooltipContextService>;
}