import type { Fn } from 'everyday-types';
export declare type Task = {
    fn?: Fn<any, any>;
    self?: any;
    args?: any;
    promise: Promise<any>;
    resolve: Fn<any, any>;
    reject: Fn<any, any>;
};
export declare function Task(fn?: Fn<any, any>, self?: any, args?: any): Task;
export declare function taskRun(task: Task, res?: any): any;
export declare function taskGroup(other: Task, tasks: Task[]): void;