import { Observable } from 'rxjs/Observable';
import { User, UserService } from 'ngx-login-client';
import { Spaces } from 'ngx-fabric8-wit';
import { Logger } from 'ngx-base';
import { HttpService } from './http-service';
export declare class CollaboratorService {
    private http;
    private logger;
    private spaces;
    private userService;
    constructor(http: HttpService, logger: Logger, spaces: Spaces, userService: UserService);
    getCollaborators(): Observable<User[]>;
    getCollaborators2(url: string): Observable<User[]>;
}