import type { HttpContext, NextFn } from '@pearl-framework/http';
import type { FormRequest } from '../FormRequest.js';
type FormRequestConstructor<T extends FormRequest> = new () => T;
/**
 * ValidationPipe is a middleware factory that validates the request
 * using a FormRequest class before passing to the controller.
 *
 * Usage in route definition:
 *   router.post('/posts', createPost, [ValidationPipe(CreatePostRequest)])
 *
 * Usage in controller decorator:
 *   @Post('/posts', [ValidationPipe(CreatePostRequest)])
 *   async store(ctx: HttpContext) { ... }
 */
export declare function ValidationPipe<T extends FormRequest>(RequestClass: FormRequestConstructor<T>): (ctx: HttpContext, next: NextFn) => Promise<void>;
export {};
//# sourceMappingURL=ValidationPipe.d.ts.map