import type { BatchOperation } from '../../storage/interface.ts';
import type { TimerEntry } from '../types.ts';
/** Runtime type guard for decoded timer entries. */
export declare function isTimerEntry(value: unknown): value is TimerEntry;
/**
 * Build the batch operations needed to persist a durable timer entry.
 * Shared between `Scheduler.schedule()` and `Engine.#buildStartBatchOperations()`
 * so the key format stays in one place.
 */
export declare function buildTimerBatchOperations(entry: TimerEntry): BatchOperation[];