import { JobTopicNameEnum } from '@novu/shared';
import { BullMqService, Processor, Worker, WorkerOptions } from '../bull-mq';
import { INovuWorker } from '../readiness';
export type WorkerProcessor = string | Processor<any, unknown, string> | undefined;
export { WorkerOptions };
export declare class WorkerBaseService implements INovuWorker {
    readonly topic: JobTopicNameEnum;
    bullMqServiceInstance: BullMqService;
    private instance;
    readonly DEFAULT_ATTEMPTS = 3;
    constructor(topic: JobTopicNameEnum, bullMqServiceInstance: BullMqService);
    get worker(): Worker;
    initWorker(processor: WorkerProcessor, options?: WorkerOptions): void;
    createWorker(processor: WorkerProcessor, options: WorkerOptions): void;
    isRunning(): Promise<boolean>;
    isPaused(): Promise<boolean>;
    pause(): Promise<void>;
    resume(): Promise<void>;
    gracefulShutdown(): Promise<void>;
    onModuleDestroy(): Promise<void>;
}
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