/**
 * This file was auto-generated by Fern from our API Definition.
 */
import * as core from "../../core";
import { Auth } from "../../api/resources/auth/client/Client";
/**
 * The OAuthTokenProvider retrieves an OAuth access token, refreshing it as needed.
 * The access token is then used as the bearer token in every authenticated request.
 */
export declare class OAuthTokenProvider {
    private readonly BUFFER_IN_MINUTES;
    private readonly _clientId;
    private readonly _clientSecret;
    private readonly _authClient;
    private _accessToken;
    private _expiresAt;
    constructor({ clientId, clientSecret, authClient, }: {
        clientId: core.Supplier<string>;
        clientSecret: core.Supplier<string>;
        authClient: Auth;
    });
    getToken(): Promise<string>;
    private refresh;
    private getExpiresAt;
}