import { AfterContentInit, OnChanges, OnDestroy, SimpleChanges } from "@angular/core";
import { HttpClient } from "@angular/common/http";
import { Subscription } from "rxjs";
export declare class DiagramComponent implements AfterContentInit, OnChanges, OnDestroy {
    private http;
    private bpmnJS;
    private overlays;
    private elementRegis;
    private el;
    private importDone;
    private url;
    private taskUrl;
    private myHeader;
    constructor(http: HttpClient);
    ngAfterContentInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    /**
     * Load diagram from URL and emit completion event
     */
    loadUrl(url: string): Subscription;
    private importDiagram;
}