import { IWorkerParams } from './IWorkerParams';
export declare class AbstractWorkerStore {
    lastActivity(): Promise<{
        name: string;
        date: Date;
    } | null>;
    push(params: IWorkerParams): Promise<string | undefined>;
    take(names: string[]): Promise<IWorkerParams | undefined>;
    release(params: IWorkerParams, shouldKeepInQueue: boolean): Promise<void>;
    remove(params: IWorkerParams): Promise<void>;
    size(options?: {
        names?: string[];
        inProgress?: boolean;
    }): Promise<number>;
    onStop(): Promise<void>;
    getNamesAfterMemoryCleanUp(): Promise<string[][]>;
    protected getQueueName(names?: string[]): string;
    protected extractQueueName(names?: string): string[];
    protected getKey(params: IWorkerParams): string;
}