import { Period } from '../../period';
import { Item } from '../../item';
import { DateTime } from 'luxon';
import * as i0 from "@angular/core";
export declare class ItemGroupingComponent {
    period: Period;
    itemGrouping: Item[];
    constructor();
    isInPeriod(time: DateTime): boolean;
    open(item: Item): void;
    visibleInPeriod(itemGrouping: Item[]): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<ItemGroupingComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ItemGroupingComponent, "ng-item-grouping", never, { "period": "period"; "itemGrouping": "itemGrouping"; }, {}, never, never>;
}