/**
 * Token management service
 * Handles token refresh, validation, and caching
 */
import { OAuthAuthDetails } from "../types.js";
export declare class TokenService {
    private cachedToken;
    private cachedTokenExpiry;
    private lastRefreshTime;
    private cachedAuth;
    private mutex;
    setCachedAuth(auth: OAuthAuthDetails): void;
    getCachedAuth(): OAuthAuthDetails | null;
    refreshIfNeeded(): Promise<OAuthAuthDetails>;
    private saveCredentials;
    loadFromFile(): OAuthAuthDetails | null;
    reset(): void;
}
export declare const tokenService: TokenService;
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