import { EventEmitter } from '@angular/core';
import * as i0 from "@angular/core";
export declare class OverlayService {
    showEvent: EventEmitter<string>;
    hideEvent: EventEmitter<any>;
    setMessageEvent: EventEmitter<string>;
    constructor();
    show(message?: string): void;
    setMessage(message: string): void;
    hide(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<OverlayService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<OverlayService>;
}
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