import { Overlay, OverlayRef } from '@angular/cdk/overlay';
import { ViewContainerRef, Type } from '@angular/core';
import * as i0 from "@angular/core";
export declare class LoadingService {
    overlay: Overlay;
    static appliedComponents: any[];
    showLoading: boolean;
    overlayRef: OverlayRef;
    constructor(overlay: Overlay);
    /** 显示加载效果 */
    show(message?: string, target?: ViewContainerRef): void;
    /** 隐藏 */
    hide(): void;
    static include(componentType: string | Type<any>): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<LoadingService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LoadingService>;
}