import { type Context } from './context.types.js';
/**
 * The next function caller in a Koa Middleware chain.
 * Always returns a promise and allows for fine grained middleware control flow.
 */
export type Next = () => Promise<unknown>;
/**
 * Composeable middleware.
 *
 * @param context - The Koa extended context object
 * @param next - The next function to be call the next next middleware in the middleware chain.
 */
export type Middleware<C = Context> = (
/**
 * The Koa extended context object
 */
context: C, 
/**
 * The next function to be call the next next middleware in the middleware chain.
 * Always returns a promise and allows for fine grained middleware control flow.
 *
 */
next: Next) => Promise<unknown>;
/**
 * Expose compositor
 *
 * Compose `middleware` returning
 * a fully valid middleware comprised
 * of all those which are passed.
 */
declare function compose(middleware: Middleware[]): (context: Context, next?: Next) => Promise<unknown>;
export default compose;