/**
 * Minimal .env loader — reads KEY=VALUE pairs from a .env file and sets
 * them on process.env. Does not override already-set variables.
 *
 * We avoid adding `dotenv` as a dependency to keep the CLI lightweight.
 */
/**
 * Load environment variables from `.env` in `cwd`.
 * Silently ignores missing files.
 */
export declare function config(cwd?: string): void;
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