import { ServiceLike } from '../base/service';
import { EmptyService } from '../text/emptyService';
import { ElementService } from './elementService';
export declare function createElementEmptyService(element: Element, ...dependencies: ServiceLike[]): EmptyService;
export declare function isOnlyWhitespace(text: string): boolean;
export declare class ElementEmptyService extends ElementService<Element> implements EmptyService {
    constructor(element: Element, ...dependencies: ServiceLike[]);
    get isEmpty(): boolean;
}