/**
 * Decode a persisted schedule record's revision-policy fields
 * (`revisionPolicy` / `pinnedRevision`, WFT-20). Split out of `schedule.ts`
 * purely to stay under this repository's 500-line-per-file ceiling — see
 * that file's own precedent (`lifecycle/start.ts`/`decode-revision.ts` for
 * WFT-17/18) — there is no behavioral reason to import this module directly
 * instead of `schedule.ts`, which composes it into `decodeScheduleState`.
 *
 * @module core/engine/validation/schedule-revision
 */
import type { ScheduleState } from '../../types.ts';
type ScheduleRevisionFields = Pick<ScheduleState, 'revisionPolicy' | 'pinnedRevision'>;
/**
 * Decode `revisionPolicy`/`pinnedRevision` from a persisted schedule record.
 * A record with NO `revisionPolicy` field predates WFT-20 and decodes as
 * `'active-at-fire'` — the same "absent means legacy, not corrupt" treatment
 * `WorkflowState.revision` got (WFT-17/18) — never rejected as malformed. An
 * explicit but unrecognized `revisionPolicy` string, or a `pinnedRevision`
 * present while `revisionPolicy !== 'pinned'` (or absent while it IS
 * `'pinned'`), both reject the whole record via
 * {@link rejectInvalidScheduleRecord} rather than silently coercing.
 */
export declare function decodeScheduleRevisionPolicyFields(decoded: Record<string, unknown>, scheduleId: string): ScheduleRevisionFields | null;
export {};