/**
 * Path to the file storing the current user ID
 */
export declare const CURRENT_USER_ID_FILE: string;
/**
 * Get the current user ID from the file
 * @returns The current user ID
 * @throws Error if the current user ID file doesn't exist
 */
export declare function getCurrentUserId(): string;
/**
 * Set the current user ID by writing to the file
 * @param userId The user ID to set as current
 */
export declare function setCurrentUserId(userId: string): void;