import { EventEmitter } from '@angular/core';
import { Group } from '../../models/group';
import { ApiService, RestParameters } from '../api/api.service';
import { EnvironmentService } from '../environment/environment.service';
import * as i0 from "@angular/core";
export declare class GroupService {
    private apiService;
    private environmentService;
    basePath: string;
    onCreate: EventEmitter<Group>;
    onDelete: EventEmitter<Group>;
    onRead: EventEmitter<Group[]>;
    onUpdate: EventEmitter<Group>;
    constructor(apiService: ApiService, environmentService: EnvironmentService);
    count(parameters: RestParameters): Promise<number>;
    create(parameters: Partial<Group>): Promise<Group>;
    delete(_id: string): Promise<Group>;
    find(parameters: RestParameters): Promise<Group[]>;
    findOne(_id: string): Promise<Group>;
    join(_id: string): Promise<Group>;
    kick(_id: string, userId: string): Promise<Group>;
    leave(_id: string): Promise<Group>;
    update(parameters: Partial<Group>): Promise<Group>;
    static ɵfac: i0.ɵɵFactoryDeclaration<GroupService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GroupService>;
}