import type { ICallable } from '@qiwi/substrate';
export type TInsideOutPromise = {
    promise: Promise<any>;
    resolve: ICallable;
    reject: ICallable;
};
export type IAsyncFn = (...args: any[]) => Promise<any>;
export type ITask = {
    args: any[];
    iop: TInsideOutPromise;
};
export type ITaskQueue = Array<ITask>;
/**
 * TODO implement lightweight version of 'inside-out-promise'
 * @private
 */
export declare const getPromise: () => TInsideOutPromise;
/**
 * @private
 * @param target
 */
export declare const isPromiseLike: (target: any) => boolean;
export declare const compose: (cb: ICallable, next: ICallable) => <V>(v: V) => void;
export declare const invoke: (fn: IAsyncFn, task: ITask, next: ICallable) => void;
export declare const queuefy: <T extends IAsyncFn>(fn: T, limit?: number) => T;