/**
 * [ref] seam #2 — the resource/preempt durable-suspend opt-in decision ([ref] "失败≠没做完" third state).
 *
 * Pure so it is unit-testable in isolation (the spec is otherwise assembled inside main.ts's bootstrap). When a
 * task opts in, a budget/turns/walltime limit OR a scheduler preempt durably SUSPENDS the task (resumable via
 * `POST /v1/assistant/tasks/:id/resume`) instead of FAILING; absent ⇒ a limit still FAILS.
 *
 * 🔴 EXCLUDE verify/cascade tasks. Core runs their implementation via `runWithVerification`/`runCascade`, which
 * map an inner durable suspend to a FAILED result (`errorCode: "unexpected.suspended"`,内层 status
 * "needs_review" 时铸 `"unexpected.needs_review"` —— 真源是 core `agents/suspend-guard.js` 的
 * `mapNestedSuspend`;`suspended.*` 三码是 bg 子代/委派报告面的词,不落在这条 TaskResult 腿上). The service would then
 * `setTerminal(failed)` while core had already minted a pending `resource_limit` checkpoint + suspended the
 * remote VM — ORPHANING both (the run row is terminal, so nothing resumes them). So a resource-limit hit on a
 * verify/cascade task must FAIL CLEANLY (no suspend), exactly as before the flag. This exclusion is the SAME
 * boundary the `preemptSignal` wiring enforces in runs.ts (stream-path only), so eligibility and the signal stay
 * aligned. (Cross review wtyc7ist3 HIGH finding: without this, enabling RESOURCE_SUSPEND leaks a suspended
 * VM + checkpoint on every verify/cascade task that hits a resource limit.)
 */
export declare function resourceSuspendOptIn(opts: {
    /** `RESOURCE_SUSPEND=true` (the worker-level switch). */
    enabled: boolean;
    /** `RESOURCE_SUSPEND_TTL_SEC` — 0 ⇒ core default (30d) by omitting `ttlMs`. */
    ttlSec: number;
    /** This task requested the developer-mode verify gate (`body.verify === true`). */
    isVerify: boolean;
    /** This task requested the cascade ladder (`body.cascade === true`). */
    isCascade: boolean;
    /** Multi-tenant isolation key — the SAME key durableApproval uses (the principal; "_" when auth is off). */
    scope: string;
    /** [ref] S-3:`RESOURCE_SUSPEND_TOTAL_TOKENS`(跨片 token 总额)。0/缺省 ⇒ 不铸键。 */
    totalTokens?: number;
    /** [ref] S-3:`RESOURCE_SUSPEND_TOTAL_BUDGET_USD`(跨片 $ 总额)。0/缺省 ⇒ 不铸键。 */
    totalBudgetUsd?: number;
    /** [ref] S-3:`RESOURCE_SUSPEND_MAX_SLICES`(跨片 slice 数上限)。0/缺省 ⇒ 不铸键。 */
    maxSlices?: number;
}): {
    scope: string;
    ttlMs?: number;
    totalTokens?: number;
    totalBudgetUsd?: number;
    maxSlices?: number;
} | undefined;
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