import { Task } from "../types";
/**
 * Task storage interface (spec-aligned)
 */
export interface TaskStore {
    /**
     * Save or overwrite a task.
     * @param task The task to store.
     * @param ttlSeconds Optional: how long to keep the task in the cache (seconds).
     */
    save(task: Task): Promise<void>;
    /**
     * Load a task by id. Returns undefined if not found.
     */
    load(taskId: string): Promise<Task | undefined>;
}
export declare class MomentoTaskStore implements TaskStore {
    private client;
    constructor(cacheName: string, apiKey: string);
    load(taskId: string): Promise<Task | undefined>;
    save(task: Task, ttlSeconds?: number): Promise<void>;
}
//# sourceMappingURL=task_store.d.ts.map