import { CollectionViewState } from '@nakedobjects/services';
import { CollectionViewModel, ListViewModel } from '@nakedobjects/view-models';
import * as i0 from "@angular/core";
export declare class HeaderComponent {
    collection: CollectionViewModel | ListViewModel;
    state?: CollectionViewState;
    allSelected: () => boolean;
    selectAll: () => void;
    itemId: () => string;
    private noItems;
    showAllCheckbox: () => boolean;
    get header(): string[];
    static ɵfac: i0.ɵɵFactoryDeclaration<HeaderComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<HeaderComponent, "[nof-header]", never, { "collection": { "alias": "collection"; "required": true; }; "state": { "alias": "state"; "required": false; }; }, {}, never, never, false, never>;
}