import { AxiosInstance } from "axios";
import { APIOptions } from "./APIOptions";
import { AccessTokenResponse } from "./AccessTokenResponse";
import { APIResponse } from "./APIResponse";
export declare class SwychAxiosInstance {
    private options;
    private getAccessToken;
    private accessToken;
    private expiresAt;
    private axiosInstance;
    private constructor();
    static newInstance(options: APIOptions, getAccessToken: () => Promise<APIResponse<AccessTokenResponse>>): Promise<SwychAxiosInstance>;
    getAxiosInstance(): AxiosInstance;
    private initialize;
    private checkAccessToken;
    private setAccessToken;
}