export interface PendingAuth {
    version: 1;
    url: string;
    port: number;
    verifier: string;
    state: string;
    expected_account?: string;
    started_at: string;
    expires_at: string;
}
export declare function pendingAuthPath(): string;
export declare function readPendingAuth(): PendingAuth | null;
export declare function writePendingAuth(pending: PendingAuth): void;
export declare function clearPendingAuth(): void;
export declare function isPendingAuthExpired(pending: PendingAuth): boolean;