import type EventEmitter2 from "eventemitter2";
import type { ClientAuthToken, GlobalConfigStore } from "../config-store/global";
import type { Log } from "../logger/log-entry";
export interface AuthToken {
    token: string;
    refreshToken: string;
    tokenValidity: number;
}
export declare function isTokenExpired(token: ClientAuthToken): boolean;
/**
 * Checks with the backend whether the provided client auth token is valid.
 */
export declare function isTokenValid({ authToken, log }: {
    authToken: string;
    log: Log;
}): Promise<boolean>;
export declare function saveAuthToken(log: Log, globalConfigStore: GlobalConfigStore, tokenResponse: AuthToken, domain: string): Promise<void>;
/**
 * Returns the full client auth token from the local DB.
 *
 * In the inconsistent/erroneous case of more than one auth token existing in the local store, picks the first auth
 * token and deletes all others.
 */
export declare function getStoredAuthToken(log: Log, globalConfigStore: GlobalConfigStore, domain: string): Promise<{
    token: string;
    refreshToken: string;
    validity: Date;
} | undefined>;
/**
 * If a persisted client auth token was found, or if the GROW_AUTH_TOKEN environment variable is present,
 * returns it. Returns null otherwise.
 *
 * Note that the GROW_AUTH_TOKEN environment variable takes precedence over a persisted auth token if both are
 * present.
 */
export declare function getAuthToken(log: Log, globalConfigStore: GlobalConfigStore, domain: string): Promise<string | undefined>;
/**
 * If a persisted client auth token exists, deletes it.
 */
export declare function clearAuthToken(log: Log, globalConfigStore: GlobalConfigStore, domain: string): Promise<void>;
export declare function refreshAuthTokenAndWriteToConfigStore(log: Log, globalConfigStore: GlobalConfigStore, domain: string, refreshToken: string): Promise<{
    refreshToken: string;
    accessToken: string;
    tokenValidity: number;
}>;
export declare class AuthRedirectServer {
    port?: number | undefined;
    private log;
    private server?;
    private enterpriseDomain;
    private events;
    constructor(enterpriseDomain: string, events: EventEmitter2, log: Log, port?: number | undefined);
    start(): Promise<void>;
    close(): Promise<void>;
    createApp(): Promise<void>;
}