import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { Logger } from 'ngx-base';
import { User } from 'ngx-login-client';
export declare class CollaboratorService {
    private http;
    private logger;
    spacesUrl: string;
    private headers;
    private nextLink;
    private totalCount;
    constructor(http: HttpClient, logger: Logger, apiUrl: string);
    getInitialBySpaceId(spaceId: string, pageSize?: number): Observable<User[]>;
    getNextCollaborators(): Observable<User[]>;
    addCollaborators(spaceId: string, users: User[]): Observable<User[]>;
    removeCollaborator(spaceId: string, collaboratorId: string): Observable<{}>;
    getTotalCount(): Observable<number>;
    private handleError;
}