import { AuthBase } from "./auth-base";
import { TokenRotation } from "./mindconnect-base";
export declare class CredentialAuth extends AuthBase implements TokenRotation {
    protected _gateway: string;
    protected _basicAuth: string;
    protected _tenant: string;
    protected AcquireToken(): Promise<boolean>;
    /**
     * Returns the current token.
     * This token can be used in e.g. in Postman to call MindSphere APIs.
     *
     * @returns {(Promise<string>)}
     *
     * @memberOf AgentAuth
     */
    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);
}