import type { QueueConfig, QueueProvider } from "./types";
/**
 * Create a queue provider instance.
 *
 * @example
 * ```ts
 * // Auto-detect from environment
 * const queue = await createQueue();
 *
 * // Explicit QStash
 * const queue = await createQueue({
 *   provider: "qstash",
 *   callbackBaseUrl: "https://api.nebutra.com",
 * });
 *
 * // Explicit BullMQ
 * const queue = await createQueue({
 *   provider: "bullmq",
 *   redisUrl: "redis://localhost:6379",
 * });
 * ```
 */
export declare function createQueue(config?: QueueConfig): Promise<QueueProvider>;
/**
 * Get or create the default (singleton) queue provider.
 * Uses lazy initialisation so import-time side effects are avoided.
 */
export declare function getQueue(): Promise<QueueProvider>;
/**
 * Replace the default queue provider (useful in tests).
 */
export declare function setQueue(provider: QueueProvider): void;
/**
 * Gracefully shut down the default queue provider.
 */
export declare function closeQueue(): Promise<void>;
import type { JobOptions, JobPayload } from "./types";
/**
 * Build a `JobPayload` with auto-generated ID and timestamp.
 */
export declare function createJob(queue: string, type: string, data: Record<string, unknown>, options?: JobOptions): JobPayload;
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