/**
 * CLI credential storage
 * Uses ~/.reconstruct/credentials.json (no native deps like keytar)
 */
export interface Credentials {
    access_token: string;
    expires_at: string;
    user_id?: string;
}
export declare function getCredentialsPath(): Promise<string>;
export declare function readCredentials(): Promise<Credentials | null>;
export declare function writeCredentials(creds: Credentials): Promise<void>;
export declare function clearCredentials(): Promise<void>;
export declare function isExpired(creds: Credentials): boolean;
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