import { OnInit } from '@angular/core';
import { ChartEntry, DataService, MetricType } from '@vendure/admin-ui/core';
import { BehaviorSubject, Observable, Subject } from 'rxjs';
import * as i0 from "@angular/core";
export declare const GET_ORDER_CHART_DATA: import("apollo-angular").TypedDocumentNode<unknown, unknown>;
export declare class OrderChartWidgetComponent implements OnInit {
    private dataService;
    constructor(dataService: DataService);
    metrics$: Observable<ChartEntry[]>;
    refresh$: Subject<boolean>;
    metricType$: BehaviorSubject<MetricType>;
    MetricType: typeof MetricType;
    ngOnInit(): void;
    refresh(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<OrderChartWidgetComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<OrderChartWidgetComponent, "vdr-order-chart-widget", never, {}, {}, never, never, false, never>;
}