import { Observable } from 'rxjs';
import { IMessage } from "./messages.interfaces";
import * as i0 from "@angular/core";
export declare class MessagesService {
    private currentMessageSource;
    currentMessage: Observable<IMessage | undefined>;
    constructor();
    setCurrentMessage(message: IMessage | undefined): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<MessagesService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MessagesService>;
}