/**
 * `ruflo cost` — the budget file and gateway export (ADR-508).
 *
 *   ruflo cost budget set --daily 10 --monthly 100 [--hard-stop] [--fallback-model haiku]
 *   ruflo cost budget get
 *   ruflo cost budget export --gateway litellm [--format json] [--model <gateway model>]   (YAML unless the global --format is json)
 *   ruflo cost budget export --gateway litellm --apply --url https://proxy --key-env LITELLM_MASTER_KEY
 *   ruflo cost report [--days 30] [--json]
 *
 * Attribution stays in the ruflo-mods cost ledger; enforcement across
 * sessions and machines belongs to the gateway. The budget file holds no
 * credential, and the gateway's master key is only ever read from the
 * environment variable `--key-env` names.
 */
import type { Command } from '../types.js';
export declare const costCommand: Command;
export default costCommand;
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