import { AnyObject, UndefinedAble } from '../../../shared/types';
export declare namespace AsyncQueueDefine {
    interface EntryCallback {
        (err?: any, result?: any): void;
    }
    interface Processor<T, R = any> {
        (item: T, cb: (err?: any, result?: R) => void, removeCache: () => void): void;
    }
    interface CreatorOptions<T = any, K = any> {
        name: string;
        processor: Processor<T>;
        parallelism: number;
        getKey: (item: T) => K;
        uniqueData?: boolean;
    }
    type ProcessorOption = Partial<{
        afterRequest(key: string, res?: unknown, payload?: AnyObject): AnyObject[] | Promise<AnyObject[]>;
        beforeRequest(key: string, params?: unknown, payload?: AnyObject): UndefinedAble<AnyObject> | void;
    }>;
}