import type { ContainerResolver } from '@adonisjs/fold';
import type { Constructor, NextFn } from './base.js';
import type { HttpContext } from '../http_context/main.js';
/**
 * Middleware represented as a class
 */
export type MiddlewareAsClass = Constructor<{
    handle: (ctx: HttpContext, next: NextFn, args?: any) => any;
}>;
/**
 * Check if a union has undefined or null
 */
type HasUndefined<T> = T extends NonNullable<T> ? true : false;
/**
 * Returns the arguments accepted by the middleware's handle method
 */
export type GetMiddlewareArgs<Middleware extends MiddlewareAsClass> = Parameters<InstanceType<Middleware>['handle']>[2] extends undefined ? [] : HasUndefined<Parameters<InstanceType<Middleware>['handle']>[2]> extends true ? [Parameters<InstanceType<Middleware>['handle']>[2]] : [Parameters<InstanceType<Middleware>['handle']>[2]?];
/**
 * The middleware defined as a function on the router or the server
 */
export type MiddlewareFn = (ctx: HttpContext, next: NextFn) => any;
/**
 * Parsed global middleware
 */
export type ParsedGlobalMiddleware = {
    name?: string;
    handle: (resolver: ContainerResolver<any>, ...args: [ctx: HttpContext, next: NextFn, params?: any]) => any;
};
/**
 * Parsed named middleware
 */
export type ParsedNamedMiddleware = {
    name: string;
    handle: ParsedGlobalMiddleware['handle'];
    args: any;
};
export {};