import { Injector } from '@angular/core';
import { Observable, Subject } from 'rxjs';
import { BaseInjector } from './base-injector.model';
export interface FireEventTypeMessenger<T = any> {
    eventType: string;
    value?: T;
    data?: any[];
}
export interface FireEventImpl<T> {
    subject: Subject<FireEventTypeMessenger>;
    sendMessage<K>(message: T, options?: K | any): void;
    getMessage(): Observable<FireEventTypeMessenger>;
    clearMessage(): void;
}
export declare abstract class MessageEventSubject extends BaseInjector implements FireEventImpl<any> {
    subject: Subject<any>;
    constructor(context: Injector);
    abstract sendMessage(message: any, options?: any): any;
    abstract getMessage(): any;
    abstract clearMessage(): any;
}