import { JobHelpers } from 'graphile-worker';
import { JobMiddleware } from '../interfaces/module-config.interfaces';
/**
 * Service responsible for managing and executing job middlewares.
 */
export declare class MiddlewareService {
    private readonly logger;
    /**
     * Wraps a task handler with the provided middlewares.
     * Middlewares are executed in the order they are provided.
     */
    wrapTaskHandler(originalHandler: (payload: any, helpers: JobHelpers) => Promise<void> | void, middlewares?: JobMiddleware[]): (payload: any, helpers: JobHelpers) => Promise<void>;
}