import { type PreparedOutputRoot } from "./selected-output-paths.js";
export declare const SANDBOX_RECEIPTS_ARTIFACT = "sandbox-receipts.ndjson";
export interface SandboxReceipt {
    at: string;
    /** The lane/role/subject label the sandbox belongs to (public-safe token). */
    laneId: string;
    sandboxId: string;
    /** The create-time sandbox TTL (ms), when known — how long the server-side backstop runs. */
    timeoutMs?: number;
}
/**
 * Append one receipt. Best-effort BY DESIGN: the receipt exists to protect the run, so a failed
 * receipt write must never fail the lane — the only cost of a miss is that `reclaim` cannot see
 * this id and the TTL backstop covers it instead. Containment is the same prepare step every
 * artifact write uses; append (not atomic-replace) keeps racing lanes' receipts intact.
 */
export declare function appendSandboxReceipt(root: PreparedOutputRoot, receipt: SandboxReceipt): Promise<void>;
/** Parse a receipts file leniently: a torn final line (crash mid-append) drops, valid lines keep. */
export declare function parseSandboxReceipts(text: string): SandboxReceipt[];