/**
 * Audit logger — append-only JSON Lines log for all write operations.
 *
 * Logs are stored at the XDG data directory:
 *   ~/.local/share/email-mcp/audit.log
 */
/**
 * Append a single audit entry to the log file.
 * Creates the directory and file if they don't exist.
 */
declare function log(tool: string, account: string, params: Record<string, unknown>, result: 'ok' | 'error', error?: string): Promise<void>;
declare const audit: {
    readonly log: typeof log;
    readonly AUDIT_LOG_PATH: string;
};
export default audit;
//# sourceMappingURL=audit.d.ts.map