import { EventHandlerResponse } from 'h3';
import { AnyRouter } from '@tanstack/react-router';
export interface HandlerCallback<TRouter extends AnyRouter, TResponse extends EventHandlerResponse = EventHandlerResponse> {
    (ctx: {
        request: Request;
        router: TRouter;
        responseHeaders: Headers;
    }): TResponse;
}
export declare function defineHandlerCallback<TRouter extends AnyRouter, TResponse = EventHandlerResponse>(handler: HandlerCallback<TRouter, TResponse>): HandlerCallback<TRouter, TResponse>;