import { Message } from '@slarys/ufe-models';
import { Subject, Observable } from 'rxjs';
import { HttpClient } from '@angular/common/http';
export declare class MessageService {
    private httpClient;
    private _messages;
    private _message;
    private httpOptions;
    expandedItemSubject$: Subject<any>;
    expandedItemSubject(): Observable<any>;
    messages: Observable<Array<Message>>;
    message: Observable<Message>;
    constructor(httpClient: HttpClient);
    getMessagesByItem(id: any, page?: any): Observable<any>;
    getUnreadMessages(page: any): Observable<any>;
    getMessages(page: any): Observable<any>;
    getDeletedMessages(page: any): Observable<any>;
    getSentMessages(page: any): Observable<any>;
    getMessage(id: string): Observable<Object>;
    sendMessage(message: Message): Observable<Message>;
    deleteMessage(message: any): Observable<any>;
    updateMessageStatus(message: any): Observable<any>;
    undeleteMessageStatus(message: any): Observable<any>;
}