/**
 * `tc env` — Manage Supen environments.
 *
 * Subcommands:
 *   tc env add <name>       Create environment (repo + Discord channel + workspace)
 *   tc env list             List all environments
 *   tc env remove <name>    Remove an environment
 */
import type { Command } from 'commander';
export declare function registerEnvCommand(program: Command): void;