import { AxiosRequestConfig } from 'axios';
import { TokenService } from '../../resources/token';
import { AccessToken } from '../../resources/token/types';
import { ApiErrorResponse, ApiSuccessResponse } from '../types/api';
import { AnyType } from '../types/utility';
export declare const HEADERS: Readonly<Record<string, string | boolean>>;
export declare class ApiClient {
    private instance;
    private tokenService;
    private _accessToken?;
    private _debugMode;
    get accessToken(): AccessToken | undefined;
    constructor(tokenService: TokenService, debugMode?: boolean);
    private get http();
    private initToken;
    private initHttp;
    private isTokenValid;
    request<T = AnyType>(url: URL, config?: AxiosRequestConfig): Promise<ApiSuccessResponse<T> | ApiErrorResponse>;
    get<T = AnyType>(url: URL, config?: AxiosRequestConfig): Promise<ApiSuccessResponse<T> | ApiErrorResponse>;
    post<T = AnyType, R = AnyType>(url: URL, data?: T, config?: AxiosRequestConfig): Promise<ApiSuccessResponse<R> | ApiErrorResponse>;
    put<T = AnyType>(url: URL, data?: T, config?: AxiosRequestConfig): Promise<ApiSuccessResponse<T> | ApiErrorResponse>;
    delete<T = AnyType>(url: URL, config?: AxiosRequestConfig): Promise<ApiSuccessResponse<T> | ApiErrorResponse>;
}