import { ILogger } from "@js-soft/logging-abstractions";
import { AccountController } from "../../modules";
import { ICorrelator } from "../ICorrelator";
import { IRESTClientConfig } from "./RESTClient";
import { CredentialsBasic } from "./RESTClientAuthenticate";
export declare abstract class AbstractAuthenticator {
    private readonly config;
    private request?;
    private expiry?;
    private token?;
    private readonly authClient;
    constructor(config: IRESTClientConfig, correlator?: ICorrelator);
    getToken(): Promise<string>;
    debugLog(_logger: ILogger): void;
    clear(): void;
    private isExpired;
    private authenticate;
    private authenticateInternal;
    protected abstract getCredentials(): Promise<CredentialsBasic>;
}
export declare class Authenticator extends AbstractAuthenticator {
    private readonly accountController;
    constructor(accountController: AccountController, correlator?: ICorrelator);
    getCredentials(): Promise<CredentialsBasic>;
}
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