import { HttpClient } from '@angular/common/http';
import { TableDataInterface } from '../classes/table-data';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class APIService {
    private httpClient;
    apiUrl: string;
    token: any;
    constructor(httpClient: HttpClient);
    fetch(url: string, params?: {}, cache?: boolean): Observable<Object>;
    post(url: string, body: any, params?: {}): any;
    postExtended(url: string, body?: null, params?: {}, headers?: {}): Observable<import("@angular/common/http").HttpResponse<Object>>;
    put(url: string, body?: null, params?: {}): Observable<Object>;
    delete(url: string, params?: {}): Observable<Object>;
    fetchPagination(url: string, pageSize: number, pageNumber: number, additionalParams?: {}, cache?: boolean): Observable<TableDataInterface>;
    private prepareEncodedParams;
    private getHeaders;
    private getParameterByName;
    static ɵfac: i0.ɵɵFactoryDeclaration<APIService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<APIService>;
}