import { Observable } from 'rxjs';
import { ElementService } from './elementService';
import { FocusService } from './focusService';
export declare type FocusableElement = Element & HTMLOrSVGElement;
export declare function createElementFocusService(element$: Observable<FocusableElement | null>): FocusService;
export declare class ElementFocusService extends ElementService<FocusableElement> implements FocusService {
    constructor(element: FocusableElement);
    get isActive(): boolean;
    setActive(isActive: boolean): void;
    private readonly isPendingFocus$;
    get isPendingFocus(): boolean;
    focus(): void;
    blur(): void;
}