import type { NextFunction, Request, Response } from 'express';
import type { ControllerConstructor, RequestHandler } from './Router.js';
/**
 * Optional: bind a controller method by function reference (refactor-safe renames).
 * Prefer tuple form **`[UserController, "index"]`** on {@link Route.get} and friends.
 *
 * @typeParam T - Controller instance type.
 * @param ControllerClass - Controller constructor.
 * @param action - Method reference (e.g. `UserController.prototype.index`).
 * @returns Express middleware compatible with {@link Route.get}.
 */
export declare function bindControllerAction<T extends object>(ControllerClass: ControllerConstructor<T>, action: (this: T, req: Request, res: Response, next: NextFunction) => void | Promise<void>): RequestHandler;
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