import { MindConnectBase, TokenRotation } from "./mindconnect-base";
export declare abstract class AuthBase extends MindConnectBase implements TokenRotation {
    protected _gateway: string;
    protected _basicAuth: string;
    protected _tenant: string;
    protected _accessToken?: any;
    protected _oauthResponse?: any;
    protected _publicKey: any;
    protected abstract AcquireToken(): Promise<boolean>;
    private ValidateToken;
    private getPublicKey;
    private AcquirePublicKey;
    RenewToken(): Promise<boolean>;
    abstract GetToken(): Promise<string>;
    /**
     * Creates an instance of CredentialAuth.
     * @param {string} _gateway
     * @param {string} _basicAuth
     * @param {string} _tenant
     *
     * @memberOf CredentialAuth
     */
    constructor(_gateway: string, _basicAuth: string, _tenant: string);
    GetTenant(): string;
    GetGateway(): string;
}