/**
 * `supen config` — Manage Supen configuration.
 *
 * Subcommands:
 *   supen config list                   Show all config
 *   supen config get <key>             Get specific value
 *   supen config set <key> <value>     Set value
 *   supen config delete <key>           Delete key
 */
import { Command } from 'commander';
export declare function registerConfigCommand(program: Command): void;