import { LayoutService } from './layout.service';
import { Item } from '../item';
import * as i0 from "@angular/core";
export declare class StackedLayoutService implements LayoutService {
    constructor();
    doLayout(items: Item[]): Item[][];
    static ɵfac: i0.ɵɵFactoryDeclaration<StackedLayoutService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<StackedLayoutService>;
}