import { EntityState, EntityStore, QueryEntity } from '@datorama/akita';
import { Observable } from 'rxjs';
import { Friend } from '../models/friend';
import { FriendService } from '../services/friend/friend.service';
import { UserQuery } from './user';
import * as i0 from "@angular/core";
export interface FriendState extends EntityState<Friend> {
}
export declare class FriendStore extends EntityStore<FriendState, Friend> {
    private friendService;
    constructor(friendService: FriendService);
    static ɵfac: i0.ɵɵFactoryDeclaration<FriendStore, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FriendStore>;
}
export declare class FriendQuery extends QueryEntity<FriendState, Friend> {
    protected store: FriendStore;
    private userQuery;
    constructor(store: FriendStore, userQuery: UserQuery);
    populateUsers($input: Observable<Friend[]>): Observable<Friend[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<FriendQuery, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FriendQuery>;
}