import { Observable } from 'rxjs';
import { HttpService } from "../services/http.service";
import { AbstractModel } from "./abstract.model";
export declare abstract class AbstractService<T extends AbstractModel> {
    protected httpService: HttpService;
    protected baseUrl: string;
    protected constructor(httpService: HttpService, baseUrl: string);
    getAll(): Observable<Array<T>>;
    getAllByCriteria(criteria: Criteria): Observable<PaginationResult<T>>;
    getById(id: string): Observable<T>;
    create(item: T): Observable<T>;
    update(item: T): Observable<T>;
    updateCustomerByPage(item: T, section: string): Observable<T>;
    delete(item: T): Observable<T>;
    private appendQuery;
}
export interface QueryConfig {
    limit?: number;
    skip?: number;
    customerId?: string;
}
export interface Criteria {
    [key: string]: string | number | boolean | undefined | null;
}
export interface PaginationResult<T> {
    count: number;
    items: Array<T>;
}