import { ChangeDetectorRef, EventEmitter, OnChanges, SimpleChanges } from "@angular/core";
import { AbstractControl, FormBuilder, FormGroup } from "@angular/forms";
import { Observable } from "rxjs";
import { EventBus, IEvent } from "@nova-ui/bits";
import { PizzagnaService } from "../../../../../pizzagna/services/pizzagna.service";
import { IHasChangeDetector, IHasForm } from "../../../../../types";
import { IItemConfiguration } from "../../../types";
import { IKpiItemConfiguration } from "../types";
import * as i0 from "@angular/core";
/**
 * This component and its related form represent a collection of KPI tile configuration components
 */
export declare class KpiTilesConfigurationComponent implements IHasChangeDetector, IHasForm, OnChanges {
    pizzagnaService: PizzagnaService;
    changeDetector: ChangeDetectorRef;
    private formBuilder;
    private eventBus;
    static lateLoadKey: string;
    componentId: string;
    tiles: IKpiItemConfiguration[];
    nodes: string[];
    formReady: EventEmitter<FormGroup<any>>;
    form: FormGroup;
    emptyItems$: Observable<boolean>;
    constructor(pizzagnaService: PizzagnaService, changeDetector: ChangeDetectorRef, formBuilder: FormBuilder, eventBus: EventBus<IEvent>);
    ngOnChanges(changes: SimpleChanges): void;
    onFormReady(form: AbstractControl): void;
    onItemsChange(tiles: IItemConfiguration[]): void;
    addTile(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<KpiTilesConfigurationComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<KpiTilesConfigurationComponent, "nui-kpi-tiles-configuration-component", never, { "componentId": { "alias": "componentId"; "required": false; }; "tiles": { "alias": "tiles"; "required": false; }; "nodes": { "alias": "nodes"; "required": false; }; }, { "formReady": "formReady"; }, never, never, false, never>;
}