/**
 * `kosha spend` — roll up the JSONL spend ledger written by the proxy.
 *
 * No registry / network access; pure file read + arithmetic. Supports
 * `--since <iso-date>`, `--tenant <name>`, and `--json` for programmatic
 * consumers.
 * @module
 */
export declare function cmdSpend(_unused: unknown, flags: Record<string, string | boolean>): Promise<void>;
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