import { NgxZendeskWebWidgetZeSettingsInterface } from './ngx-zendesk-web-widget-ze-settings.interface';
import { NgxZendeskWebWidgetService } from './ngx-zendesk-web-widget.service';
export declare abstract class NgxZendeskWebWidgetConfig {
    abstract accountUrl: string;
    abstract callback(ngxZendeskWebWidgetService: NgxZendeskWebWidgetService): any;
    abstract injectionTag: keyof HTMLElementTagNameMap | string;
    abstract lazyLoadZendeskScripts: boolean;
    abstract timeout: number;
    abstract zESettings?: NgxZendeskWebWidgetZeSettingsInterface;
}