/**
 * codex spawn adapter: runs one subagent as a headless `codex exec`
 * subprocess.
 *
 * Contract notes (LIVE-VERIFIED 2026-07-16 against codex-cli 0.144.5: flags
 * present, schema-gated triage + text stages round-trip via `--adapter codex`):
 * - `codex exec "<prompt>"` is the non-interactive mode.
 * - The final assistant message is captured via `--output-last-message <file>`
 *   (a temp file), which is far more drift-tolerant than parsing the
 *   experimental `--json` JSONL event stream.
 * - `--skip-git-repo-check` keeps non-repo cwds working; `--sandbox
 *   workspace-write` matches workflow-stage expectations (children may edit).
 * - No per-run cost or session-id surface in this mode → both left undefined.
 * - No max-turns equivalent → `maxTurns` is accepted and ignored (documented
 *   in the CLI docs page).
 */
import type { AdapterInvocation, AdapterRawResult } from "../adapters/types.js";
import type { Spawner, SpawnRequest, SpawnResult } from "./types.js";
export declare function buildCodexInvocation(req: SpawnRequest, resultFile?: string): AdapterInvocation;
export declare function normalizeCodexResult(raw: AdapterRawResult): SpawnResult;
export declare const codexSpawner: Spawner;
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