import { Injector } from '../common';
import { Job } from './job';
import { JobData } from './types';
type ProcessFunc<Data extends JobData<Data> = object> = (job: Job<Data>) => Promise<any>;
/**
 * @description
 * This is a helper class for implementations of {@link JobQueueStrategy} that need to
 * have init called before they can start a queue.
 * It simply collects calls to {@link JobQueueStrategy} `start()` and calls `start()` again after init.
 * When using the class `start()` should start with this snippet
 *
 * ```
 * Typescript
 * if (!this.hasInitialized) {
 *   this.started.set(queueName, process);
 *   return;
 * }
 * ```
 */
export declare abstract class InjectableJobQueueStrategy {
    protected started: Map<string, ProcessFunc<any>>;
    protected hasInitialized: boolean;
    init(injector: Injector): void;
    destroy(): void;
    abstract start<Data extends JobData<Data> = object>(queueName: string, process: (job: Job<Data>) => Promise<any>): void;
}
export {};