import type { Runner } from "../core/runner/runtask.js";
/**
 * Release a throwaway session, swallowing errors — best-effort cleanup for the verifier/cascade-rung
 * sessions that agents spin up and discard. Always call this in a `finally` so a throwing `runTask`
 * result handler or caller hook (`onRung`/`onRound`) can't leak the session.
 */
export declare function releaseSession(runner: Runner, sessionId: string): Promise<void>;
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